「Lying with mother」「rod head sliding with well-developed breasts.」…see 侮, 悔, 梅, 鋂 as references to actually having sex with one's own mother and not merely name-calling with a crass epithet. Note that「prostrate with do not」and「prostrate with mother」are used interchangeably in Japanese glyphs. Whether these two glyphs have something to do with incest or not, in the old days most EVERY person was forced through their mother's vaginal canal at birth (or she died when her abdomen was sliced open to remove a fetus), being at least once in everyone's life「prostrate with mother」and within her vagina as a fact of life recognized by these elements.
　Moreover, the lower elements as「rod within and emphasis on both sides of female」are likely as well, since many glyphs using「female (女)」as an element employ only two strokes, and not three.
　「Mother lying prostrate」as REPEATING AT A CONSTANT INTERVAL, frequently or a frequency, ONE BY ONE AND EACH SEQUENTIALLY, RESPECTIVELY suggests the process of lying prostrate during conception, giving birth, nursing the infant…and then repeating the whole thing again and again, perhaps annually AT A CONSTANT INTERVAL.「Mother lying prostrate」perhaps suggests sessions with all of her offspring ONE BY ONE AND EACH SEQUENTIALLY, RESPECTIVELY, ON A REGULAR BASIS:
　「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　]　
　「Like humans but unlike chimps and most other animals, bonobos separate sex from reproduction. They seem to treat sex as a pleasurable activity, and they rely on it as a sort of social glue, to make or break all sorts of relationships. 'Ancestral humans behaved like this,' proposes Frans de Waal, an ethologist at the Yerkes Regional Primate Research Center at Emory University. 'Later, when we developed the family system, the use of sex for this sort of purpose became more limited, mainly occurring within families [i.e., incest]. A lot of the things we see, like pedophilia and homosexuality, may be leftovers that some now consider unacceptable in our particular society.' 」
　　[　https://www.discovermagazine.com/mind/casual-sex-play-common-among-bonobos 2023-05-14　]　
　「To lie prostrate」combined with various other elements, such as「penetration」or「plugging orifice with erection」or「screwing inside female」or「rod emphasized in both sides of female」also suggest the processes of conception and birth, respectively.「Do not, must not, be not」indicates not doing one's mother, in most societies. Furthermore, try as one might, a male can only be「prostrate and penetrating orifices with erection」ONE AT A TIME, ONE BY ONE, SEQUENTIALLY REPEATING AT A CONSTANT INTERVAL, and so on.

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: each; every
Unihan extended: every, each
EDRDG: every; each