1. cernuus — de Vaan
cernuus 'head foremost' [adj. o/a[ (LuciL+) Derivatives: cernuare 'to fall head first' (Varro+). cervus Pit *kero-nowo-. PIE *kerh2-o- 'skull, head'. IE cognates: see s.v. cerebrum. Explained by Nussbaum 1986 as ^erh^o-nouo- 'inclining the head' > *keronouo- > *kernouo- > cernuus. The First member would be identical to YAv, sara- 'head5. Bibl.: WH I: 206, EM 116, IEW 574-577, Leumann 1977: 210, Nussbaum 1986: … — [de Vaan, s.v. cernuus, p. 124]