sprain (n.)

"软组织关节劇烈扭曲"，大约1600年，一个起源不明的词语； 请参见 sprain（v.）。

"overstrain" a muscle or ligament, 1620s (implied in sprained), a word of uncertain origin. A connection has been suggested [Klein, Century Dictionary] to French espraindre (Old French espreindre) "to press, wring, press out," from Latin exprimere, but the sense evolution is difficult. Related: Spraining.