The corms of this plant grow in mud, muck and are the part that is eaten. The stems emerge from within an outer sheath.
　「The water chestnut is actually not a nut at all, but an aquatic vegetable that grows in marshes, underwater in the mud. …They are unusual among vegetables for remaining crisp even after being cooked….」
　　[　https://en.wikipedia.org/wiki/Eleocharis_dulcis 2013-10-14　]　
　Stays hard, even after being heated, deeply buried in muck:「emerging shafts screwing the surrounding children」「emerging shafts with the power of a pedophile.」
　The RHOMBUS or DIAMOND SHAPE can be derived by picturing one service provider lying on her backside entertaining a client with each of her no-longer-integrated feet simultaneously…the four sides of a rhombus shape would be created by her two legs bent at the knees, being worked by the「emerging shaft」with「twisting screwing crotch, skilled technique, held up from beneath」and so on as depicted in erotic Chinese art,「emerging shaft screwing surrounded with child and erection in no-longer-integrated foot.」Men in dynastic China masturbated by wrapping no-longer-integrated feet around an erect penis:「Bound feet were once considered intensely erotic in Chinese culture. …The process was started before the arch of the foot had a chance to develop fully, usually between the ages of 2 and 5. …Qing Dynasty sex manuals listed 48 different ways of playing with women's [no-longer-integrated] bound feet」(after removing the binding cloths, of course)
　　[　https://en.wikipedia.org/wiki/Foot_binding 2012-12-17　]　
　「Viewing women as commodities [see 品] was also made customary from Song Dynasty (960 - 1279) forward, 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　]　
　「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　]　
　Japanese pronunciation denotes Artemisia lactiflora as white mugwort:「People take mugwort root as a 'tonic' and to boost energy. People take the rest of the plant for stomach and intestinal conditions including colic, diarrhea, constipation, cramps, weak digestion, worm infestations, and persistent vomiting. Mugwort is also used to stimulate gastric juice and bile secretion. It is also used as a liver tonic. To promote circulation. And as a sedative. Other uses include treatment of hysteria, epilepsy, and convulsions in children. Women take mugwort for irregular periods and other menstrual problems. In combination with other ingredients, mugwort root is used for mental problems (psychoneuroses), ongoing fatigue and depression (neurasthenia), depression, preoccupation with illness (hypochondria), general irritability, restlessness, trouble sleeping (insomnia), and anxiety. Some people apply mugwort lotion directly to the skin to relieve itchiness caused by burn scars.」
　　[　https://www.rxlist.com/mugwort/supplements.htm 2021-11-03　]　

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: Eleocharis plantaginea