Etymology

From Middle French tribade, and its source, Latin tribad-, from Koine Greek τριβάς (tribás), from Ancient Greek τρίβω (tríbō, “to rub”).

磨鏡

Chinese: 磨 grindstone; to sharpen + to delay | 鏡 mirror; lens

trad. (磨鏡) 磨 鏡
simp. (磨镜) 磨 镜

Pronunciation

Mandarin

(Pinyin): mójìng
(Zhuyin): ㄇㄛˊ ㄐㄧㄥˋ

Southern Min (Hokkien, POJ): bôa-kiàⁿ

Middle Chinese: ma kjaengH

Old Chinese

(Baxter–Sagart): /*mˤaj C.qraŋʔ-s/
(Zhengzhang): /*maːl kraŋs/

Verb

磨鏡, to grind mirrors; 2. (now chiefly Xiamen Hokkien, euphemistic) to have lesbian sexual relations

• from tribade and 磨鏡 at Wiktionary