In traditional Chinese, Japanese kyūjitai and Korean hanja, the component for this character is written with 廿 on top. Note that the bottom portion is written 口 overlapped by 夫 and not 中 on top of 天.
In Japanese shinjitai, the component is written with 艹 on top and has one stroke less. Due to Han unification, both traditional Chinese and Japanese forms are encoded under the same code point. The appearance of this character will differ according to the font used.
Two compatibility ideographs exist for this character. U+FA47 corresponds to the kyūjitai form of this character while U+FA9A corresponds to the alternative Korean form which is similar to Japanese shinjitai.
Originally referred to the Gaya confederacy, an independent state in the south of the Korean peninsula in the years 42-562 CE. Over time, the meaning extended to refer in general to the Korean peninsula and China, expanding further just before and during the Edo period to refer to foreign lands in general.
Chinese-style poetry (as opposed to formal waka Japanese-style poetry), Chinese-style poetry, deep-fried chicken or fish (a style introduced by Europeans in the 1600s), “Chinese voice” → the kan'on or Chinese-derived reading for a character
From Old Japanese, in reference to clans purportedly originating from China. Appears to be cognate with 文 / 紋 / 綾 / 絢(aya, “a pattern or design; a pattern of diagonally interweaving lines; twill; how something fits together, the reason or background of a thing; skillful expression in color or words; melody, tune”), possibly in distant reference to technologies and cultural practices brought to Japan by the original Chinese immigrants.
short for漢氏(Aya uji): name of one of two ancient clans, purportedly descendants from Han Chinese, and notable historically for major achievements in fields including literature, diplomacy, and finance, among others