Homo
来自Big Physics
1920s: abbreviation.
wiktionary
A clipping of words prefixed with homo-, from Ancient Greek ὁμο-(homo-, “same”): i.e. homogenized and homosexual.
From Latin homō̆(“man, human”), sometimes as a shortening of Homo sapiens. (Can this(+) etymology be sourced?) Doublet of gome.
etymonline
homo (n.)
short for homosexual (n.), attested by 1929, usually contemptuous; as an adjective by 1933.
