early 13c., pinchen, "to pluck (an eyebrow);" mid-14c. "compress between the finger and thumb or some device, squeeze between two hard, opposing bodies," from Old North French *pinchier "to pinch, squeeze, nip; steal" (Old French pincier, Modern French pincer), a word of uncertain origin, possibly from Vulgar Latin *punctiare "to pierce," which might be a blend of Latin punctum "point" + *piccare "to pierce."
From mid-14c. as "to pain, torment." Of tight shoes, from 1570s. Meaning "to steal" in English is from 1650s. Sense of "to be stingy" is recorded from early 14c. Related: Pinched; pinching.
c. 1400, "act of compressing, state of being compressed," from Old French compression (14c.) and directly from Latin compressionem (nominative compressio) "a pressing together," noun of action from past participle stem of comprimere "to squeeze" (see compress (v.)). Related: Compressional. Compressional wave is attested from 1887.
1570s, from French sphincter, from Late Latin sphincter "contractile muscle," from Greek sphinkter "band, lace, anything that binds tight," from sphingein "to squeeze, bind," of unknown origin. First used in anatomical sense by Galen. There are several in the body; the one usually meant is the sphincter ani.
early 14c., cromplen, crumplen, "press into irregular folds, rumple, wrinkle," also intransitive, "contract into wrinkles, shrink, shrivel," frequentative of crumpen "to curl up" (from Old English crump "bent, crooked"), from Proto-Germanic *krumbo- "to press, squeeze, compress" (source also of German krumm "crooked, warped"). Related: Crumpled; crumpling.