1. edentulus — de Vaan
edentulus 'toothless' (PI.); dentifrangibulus 'that breaks teeth' (PL), dentilegus 'one who collects teeth' (PL); bidens, -ntis 'with two teeth or points' (Acc.+), bidens^ -ntis [mVf.] 'sacrificial animal, esp. sheep' (Lab.+). Pit. *dent-. It- cognates: O. dunte[ (Capua 37) is regarded by some scholars as the word for 'tooth', but the actual meaning is uncertain. PIE *h3d-nt- 'tooth'. IE cognates: Olr. det 'tooth', … — [de Vaan, s.v. edentulus, p. 180]