sext (v.)youdaoicibaDictYouDict[sext 词源字典]
by 2005, from contraction of sex (n.) + text (v.). Related: Sexted; sexting.[sext etymology, sext origin, 英语词源]
sext (n.)youdaoicibaDictYouDict
early 15c., "third of the lesser canonical hours," from Latin sexta (hora), fem. of sextus, ordinal of sex (see six).