1. viscum — de Vaan
viscum 'mistletoe; bird-lime from the berries of the mistletoe' [η. ο] (Ρ1.+; PL also nom.sg. viscus) Derivatives: viscatus * smeared with bird-lime' (Lucil.+). Pit. *wisko-7 IE cognates: Gr. ΐξός [m.] 'mistletoe, -berry, the bird-lime prepared from if, OHG wihsela 4 morello\ Ru. visnja * cherry'. A PIE word or a European loanword indicating * mistletoe' or another fruit-bearing tree. The original form may have been … — [de Vaan, s.v. viscum, p. 697]