1. festuca — de Vaan
festuca 'stalk, straw; ram, pile-driver' [f. a] (PL+; in CLat. sometimes fistiica) Derivatives: festucare 'to ram down' (Cato+), festUcula 'chaff (Varro). If ferula 'giant fennel* < *fes-ela is cognate, this would point to PLat *fes-. The suffix -uca, -tjcas is found in several plant names (sambucus, albucus, lactiica\ which points to *festo- as the earlier stem. No etymology. BibL: WH I: 489, EM 231. -^ferula — [de Vaan, s.v. festuca, p. 230]