See 冑 as the original elements for HELMET, although these elements of「dripping extraction of meat」may describe removal of edibles from a strapped-on helmet after decapitating an enemy.「Rod in abdomen」may account for one's BLOODLINE, LINEAGE but does not likely describe a helmet of any sort, unless equating the penile glans corona with its flanged head to the obvious SHAPE OF A HELMET and its direct relationship to DESCENDANTS, LINEAGE.
　「Reason for, causation, falling drops from head covering, hat, cap」of blood or sweat from a HELMET after a strenuous battle or march. Armor and helmets were expensive and difficult to produce, initially worn only by nobility and royals, not ordinary foot soldiers who wore hemp cloth hats, if anything. Someone wearing armor and a helmet was therefore likely a noble with a documented account of DESCENDANTS, LINEAGE, and not a pissant serf foot soldier.
　Nevertheless, LINEAGE, BLOODLINE, DESCENDANTS derive from「caused with falling drops from one's meat」「rod plugging abdomen orifice」「extracting meat with falling drops」「falling drips covering that head」(a hardened head, similar to a helmet shape, such as the glans penis when fully engorged). In the past, DESCENDANTS, LINEAGE were only produced in one way, which was via copulation and ejaculation into a vagina during ovulation with a hardened head after strenuous thrusting (similar to spearing meat in a battle), and「due to drops dripping in plugged orifice from meat」certainly depicts the needed components…original top element strokes were likely「genitals, penis within a cavity」(see lower elements of 屆, 届 for comparison) that further confirm the meaning of DESCENDANTS, LINEAGE.
　「Causation, reason for meat」also describes BLOODLINE DESCENDANTS who, in the past, were used by human beings the world over as both a food source and incestuously for pleasure, as do bonobos and many other species today: that「head covering」element 冃 is「throbbing in spread legs」and also「changing states of spread legs」from a living being into supper meat (this has commonly occurred during famines, such as that of the Soviet Union in 1921), or, from one's child into a sex slave (also a common occurrence the world over but especially in dynastic China)
　「We know that human sacrifice and cannibalism were widely practiced in pre-literate societies and that they were not local but universal cultural phenomena. …[T]he ancient Chinese also participated in this culture, which has much in common with the [Journal of Generative Anthropology] position about the violent origin and early development of human civilization…」
　　[　https://anthropoetics.ucla.edu/ap1401/1401plutschow/ 2011-03-08　]　
　「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　]　
　「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　]　

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: helmet; descendants
Japanese: helmet, headpiece
Unihan extended: helmet, headpiece; descendant
EDRDG: lineage; bloodline