INVARIABLY, CERTAINLY, WITHOUT FAIL:「female with a price」or the「value of a female.」Old seals using this glyph depict the「four」element squatting bent legs internally while「copulating inside orifice」(四), presumably signifying an ESSENTIAL part or an ESSENTIAL activity. With the Used-In glyph (腰) of 'essential meat' referring to the pelvic region(s), the meaning of the subject glyph should be obvious. Top element is now「sticky dripping from spread legs (襾) or from an orifice (覀)」as「something of value, essential」as is washing after sexual contact in order to mitigate the spread of disease and infection as an inviolate law.
　「Historical accounts from the 18th century indicate that adult-child sex (particularly same-sex pairings) were an accepted practice in China, Japan, Africa, Turkey, Arabia, Egypt, and the Islamic areas of India (Trumbach, 1977). In 19th century London the going price for a virginal, 12-year-old girl, of good background, was reported to be 400 pounds (Bullough, 1964).」
　　[　https://www.ipce.info/library/journal-article/legal-social-and-biological-definitions-pedophilia 2012-01-01　]　
　Some have argued these elements are a simplified「wine jar」and「females」to depict WHAT IS NECESSARY, ESSENTIAL, or the PRINCIPAL activities of life…however, while both may in fact be essential, immoderate use of either one of these two elements will shut down activities with the other. Furthermore, long experience with common sense described in other glyphs cautions against mixing the two other than when engaged during a short-term rental basis only.
　Perhaps with the addition of a「female」element for clarity, the concept evolves into「essential part of a female between spread legs that drips sticky fluid」as the PIVOT POINT…to pivot means to turn slowly, as when screwing, and 'pivot' as a noun means a short rod or shaft on which a related part rotates or swings. An ESSENTIAL, PIVOTAL activity, the PRINCIPAL part of a female of any age, noting that smaller, lighter females with not-yet-stretched pre-natal orifices were easier to pivot upon one's pivot point than larger, older and fatter 'broads' (a post-natal orifice as one that has been 'broadened' 同, being the source of that English term in offensive slang…). This interpretation of course implies that any and all remaining parts of a female are therefore non-essential and non-pivotal, objectifying the female sex since antiquity.
　Perhaps the elements are suggestive of what is a「valuable female」for one's own use, or as a marketable commodity always IN DEMAND, as flesh-peddling and sexual slavery. Once again, with「meaty, body part」added, this glyph means the「loins」(groin, genital region, pelvic thrusts, etc.), so there can be little doubt about exactly what was believed to be ESSENTIAL and NECESSARY:「Viewing women as commodities [see 品] was also made customary…, both in the suddenly expanded labor market and within relationships. Men could sell their female kin to slavery or prostitution, and frequently did.」
　　[　https://www.zum.de/whkmla/sp/0910/hersheys/hersheys5.html 2011-04-05　]　
　「The process was started…, usually between the ages of 2 and 5. …Qing Dynasty sex manuals listed 48 different ways of playing with women's bound feet.」
　　[　https://en.wikipedia.org/wiki/Foot_binding 2012-12-17　]　
　「In traditional Chinese medicine, there has never been a mental disease called pedophilia (or an equivalent term), or homosexuality, or most of the other so-called sexual variations for that matter. …Children are usually described as natural sexual beings and erotic stimulation and sex-play are seen as beneficial to their healthy development.」
　　[　https://docx2.com/wp-content/uploads/Are-Any-of-the-Pharaphilias-in-DSM-Mental-Disorders_.pdf 2023-05-14　]　

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: important; vital; to want; will; going to (as future auxiliary); may; must; (used in a comparison) must be; probably; to demand; to request; to coerce
Japanese: pivot, vital point, cornerstone, keystone, Japanese photinia, main point, requirement, need, necessary, required, to need, to require, to take, to demand, in short, the point is, expense, expenses, to want, in a word, after all, the point is …, in short …, to put simply, the long and short of it is that …, necessity, costs
Unihan extended: necessary, essential; necessity
EDRDG: need; main point; essence; pivot; key to

Used within names (nanori)
とし