脫

Phono-semantic compound (形聲 /形声, OC *l̥ʰoːd, *l'oːd): semantic ⺼ + phonetic 兌 (OC *l'oːds).

From Proto-Sino-Tibetan *lot (“free; release; slip; dislocate”) (STEDT under PTB *g/s-lwat; Schuessler, 2007).

:Within Chinese, cognate with:

:*蛻 (OC *l̥ʰoːds, “exuviae (skin cast off during molting)”)

:*愉 (OC *lo, “relax > happy, pleased”)

:*悅 (OC *lod, “contented”)

:*說 (OC *hljod, “to speak, to explain”)

:*說 (OC *hljods, “to persuade”)

:*偷 (OC *l̥ʰoː, “to steal”)

:*奪 (OC *Cə.lˁot, “to rob, to snatch”);

:Outside Chinese, cognate with Tibetan གློད་པ (glod pa, “loosen, relax, slacken”), Tibetan ཧློད་པ (hlod pa, “loose, relaxed”), Lepcha ᰒᰤᰦᰳ (flyát), ᰒᰤᰩᰳ (flyót), Burmese လွှတ် (hlwat), Burmese ချွတ် (hkywat).

In its use in Northern Wu languages, such as Shanghainese, Suzhounese, and Ningbonese, as well as Huai Chinese, it is likely from a grammaticalisation of the verb. Compare 落 (Wuxi, Changzhou) and 掉 (Haining, Danyang).