「Repeated screwing」「thousand times」with「interior walls lining plugged soil hole」formerly in Chinese this glyph meant REPEATED or REPETITION of an action that is SERIOUS, SIGNIFICANT, to ATTACH IMPORTANCE to an action that may not be taken seriously by some. Further meanings of NUMEROUS, COUNTLESS, ONE PILED ON TOP OF ANOTHER, MULTI-PLY LAYERS. A HEAVY load, PILED IN LAYERS, becoming a SERIOUS danger at times.「Repeatedly in rotation, military-use vehicle with line, array」in combination with the above-described elements suggests the daily life of 'comfort women.' Also, referring to excessive anal intercourse conducted without restraint, as the individual elements plainly describe…numerous other glyphs depict anal intercourse as a commonly occurring act by early humans, bonobos, and swine too, but this glyph is also pointing out the danger of engaging in this behaviour in a repeated and indiscriminate manner.
　「Animal sexual behaviour takes many different forms, even within the same species. Researchers have observed monogamy, promiscuity, sex between species, sexual arousal from objects or places, sex apparently via duress or coercion, copulation with dead animals [necrophilia], homosexual, heterosexual and bisexual sexual behaviour, and situational sexual behaviour and a range of other practices among animals other than humans. Related studies have noted diversity in sexed bodies and gendered behaviour, such as intersex and transgender animals. The study of animal sexuality (and primate sexuality especially) is a rapidly developing field. It used to be believed that only humans and a handful of species performed sexual acts other than for procreation, and that animals' sexuality was instinctive and a simple response to the 'right' stimulation (sight, scent). Current understanding is that many species that were formerly believed monogamous have now been proven to be promiscuous or opportunistic in nature. A wide range of species appear both to masturbate and to use objects as tools to help them do so. In many species animals try to give and get sexual stimulation with others where procreation is not the aim. And homosexual behaviour has now been observed among 1,500 species and in 500 of those it is well documented.」
　　[　https://www.monkeyland.co.za/index.php?comp=article&op=view&id=588 2017-07-08　]　
　As an element, this glyph is often displayed as「repeatedly bobbing head」with「rotation, screwing plugged orifice」and「repeatedly」added again (ー,車,ー) that depicts NUMEROUS, COUNTLESS, ONE PILED ON TOP OF ANOTHER, a HEAVY load with rutting. Why do you think animal sex is termed「rutting?」
　Elements are drawn slightly different, but「repeated bobbing of vehicle(s) in an array or line」or,「repeated bobbing of head in [one] vehicle screwing plugged orifice, in an array or line」as PILING ON TOP will surely result in severely compacted soil beneath due to the HEAVY use…recall that anciently the Chinese used neither asphalt nor reinforced concrete to construct roadways, so the underlying soil of any road well travelled became rutted and compacted, in much the same manner as「repeated screwing, thousand times」with「interior walls lining pathway into plugged soil hole.」
　Military use of comfort women was not a Japanese invention, formerly…everyone did it: pirates, bandits, gangs, armies the world over…because they could. Then there is God Almighty's take on this matter, found in Deuteronomy 21:10 When you go to war…and you take captives, 11 if you notice among the captives a beautiful woman and are attracted to her, you may take her as your wife. 12 Bring her into your home…then you may go to her and be her husband and she shall be your wife. 14 If you are not pleased with her, let her go wherever she wishes. You must not sell her or treat her as a slave, since you have dishonored her. See this researcher's website blog and well-documented published material to learn about the relationship between Japan and Korea prior to WWII, who it was that actually recruited Korean women as army service providers (in nearly all cases), and who is behind why this issue remains a propaganda flashpoint today:
　「I first confronted the comfort women issue in 1991. It was near the end of my study in Japan. As a volunteer I was translating former Korean comfort women's testimonies for NHK. When I returned to South Korea, the nationalism was out of control. The anti-Japanese activist group 'Korean Council for the Women Drafted for Military Sexual Slavery' (also known as Chong Dae Hyup 정대협 挺対協) was formed by the South Korean communists. Its leader said publicly it was determined to defame Japan for the next 200 years. Its propaganda turned me off, so I stayed away from this issue for years. I regained my interest in this issue in the early 2000s when I heard that Chong Dae Hyup was confining surviving women in a nursing home called House of Nanumu. The only time these women were allowed to talk to outsiders was when Chong Dae Hyup needed them to testify for the UN Special Rapporteur or the U.S. politicians. But for some reason I was allowed to talk to them one day in 2003. I could sense that women were not happy being confined in this place. One of the women (Bae Chun-hee) told me she reminisced the romance she had with a Japanese soldier. She said she hated her father who sold her. She also told me that women there didn't appreciate being coached by Chong Dae Hyup to give false testimonies but had to obey Chong Dae Hyup's order. When Japan offered compensation through Asian Women's Fund in 1995, 61 former Korean comfort women defied Chong Dae Hyup's order and accepted compensation. Those 61 women were vilified as traitors. Their names and addresses were published in newspapers as prostitutes, and they had to live the rest of their lives in disgrace. So the rest of the women were terrified of Chong Dae Hyup and wouldn't dare to defy again. Chong Dae Hyup (some of its members were arrested as North Korean spies) has used the comfort women issue for its political purpose, which is to drive a wedge into U.S.-Japan-South Korea security partnership.」
　　[　https://scholarsinenglish.blogspot.jp/2014/10/summary-of-professor-park-yuhas-book.html 2017-08-03　]
　Or, do you believe the North Koreans?　
　Without a doubt, the Irish also have knowledge of their own to pass along in these trying times:「Masturbation will not spread coronavirus, especially if you wash your hands (and any sex toys) with soap and water for at least 20 seconds before and after.」Nonetheless and regrettably, unlike in dynastic China, it must be undertaken alone to truly be a preventative countermeasure but still achieve the desired result with some degree of safety.
　 　[　https://www.sexualwellbeing.ie/sexual-health/sex-and-coronavirus/ 2020-03-31　]　
　The Dutch, too have the same solution—it seems masturbation has become mainstream in the media the world over due to the coronavirus (it has always been 'the main stream' in reality, albeit covertly for most folks):
　「'Don't have sex with your partner if they have been isolated because of (suspected) coronavirus infection,' the RVIM says. 'Sex with yourself or with others at a distance is possible (think of telling erotic stories, masturbating together).'」
　　[　https://www.theguardian.com/world/2020/may/15/dutch-official-advice-to-single-people-find-a-sex-buddy-for-lockdown-coronavirus 2020-05-16　]　
　Needless to point out perhaps, but Chinese shamans from antiquity hit upon the same solution as a pandemic preventative countermeasure, honed for ultimate client satisfaction by utilizing naked females with no-longer-integrated feet as masturbatory sex buddies available for short-term rental with erotic visualization of live prepubescent female genitalia engaging in autoerotic stimulation herself, as a solution to the same problem facing us now, but in pre-Internet days.

Modern definitions (that generally disregard history) …excluding politically incorrect concepts and other meanings deemed offensive today; may list only pigeonholed definitions, euphemisms, or meaningless mnemonics)
Chinese: heavy; serious; to attach importance to; to repeat; repetition; again; re-; classifier: layer
Unihan extended: heavy, weighty; double
EDRDG: heavy; heap up; pile up; nest of boxes; -fold

Used within names (nanori)
さね　･　しげ　･　しげる