1. flaccus — de Vaan
flaccus 'lop-eared' [adj. o/a] (Varro+) Derivatives: flaccere 'to decline in strength' (Acc.+), flaccescere 'to languish' (P&c^Xflaccidus 'weak, drooping' (Lucr.+). For the meaning of flaccus, see Parker 2000. Flaccus belongs to a category of adj. flagito with (expressive?) internal geminate, hence from *flako- or *flako-» No etymology. All etymologies based on a development *m/- >fl- must be discarded. Bibl.: WH I: … — [de Vaan, s.v. flaccus, p. 237]