肛

Glyph origin
.

Etymology 1
Unclear. A relatively late word, not attested until the Middle Chinese period.

suggests that it may be related to 🇨🇬, but the vowels pose a problem in phonological correspondence (STEDT).

It may be in the same family as and, which both are derived from 🇨🇬, but STEDT suggests that 🇨🇬 may be a better etymon.

Definitions

 * 1) anus
 * 2)  to have anal sex; to anal

Definitions

 * 1)  to be swollen

Kanji

 * 1) anus
 * 2) to swell

Etymology
From.