squeamish (adj.)

late 14c., variant (with -ish) of squoymous "disdainful, fastidious" (early 14c.), from Anglo-French escoymous, which is of unknown origin. Related: Squeamishly; squeamishness.

He was somdel squaymous

Of fartyng, and of speche daungerous

[Chaucer, "Miller's Tale," c. 1386]