1. vespa — de Vaan
vespa 'wasp' [f. a] (Varro+) Pit *we/op-s-h2- 'wasp'. PIE *(hi)uobh-s-h2- 'wasp'. IE cognates: OCo. guhi-en 'a wasp', MW gw(y)chi, OBret guohi 'wasps'; Αν. vafizaka- 'scorpion', MP ναβζ, BaL gwabz 'wasp' < PIr. *wabza-\ OPr. wobse, Lith. vapsva, vapsa (dial.), Latv. vapsene 'wasp', RuCS osa, Ru. osa, SCn osa (< BSL *uapsa); OE wcefs, weeps, wcesp OHG wefsa, wqfsa, waspa, Bav. webes. It is questionable whether 'wasp' … — [de Vaan, s.v. vespa, p. 684]