"shaven," late Old English scoren, strong past-participle adjective from shear (v.). Originally of clerics; by 1510s of sheep.
Entries linking to shorn
shear v.
Middle English sheren, "cut or clip, especially with a sharp instrument," from Old English sceran, scieran (class IV strong verb; past tense scear, past participle scoren; Middle English shorne) "to cleave, hew, cut with a sharp instrument; cut (the hair), shave (the beard), shear (a sheep)," from Proto-Germanic *skero "to cut" (source also of Old Norse and Old Frisian skera, Dutch scheren, German scheren "to shear"), from PIE root *sker- (1) "to cut." Related: Shorn; shearing.
unshorn adj.
Old English unscoren; see un- (1) "not" + shorn (adj.).