1. operimentum — de Vaan
operimentum "covering, cover' (Cato+); copenre/cooperire 'to cover completely' (PL+), adaperlre 'to open wide, uncover' (Varro+). Pit *op-wer-i(e)~ 'to cover up'. PIE *h2uer-i(e)- [pr.] 'to cover'. IE cognates: see s.v. aperio. Bibl.: WH II: 211, EM 38, IEW 1160-1162, Sihler 1995: 503, Meiser 1998: 116, 195, LIV *Huer-, —► aperire, ob \ — [de Vaan, s.v. operimentum, p. 443]