edible Look up edible at Dictionary.com
1590s, from L.L. edibilis, from L. edere "to eat," from PIE base *ed- "to eat" (cf. Skt. admi "I eat;" Gk. edo "I eat;" Lith. edu "I eat;" Hittite edmi "I eat," adanna "food;" O.Ir. ithim "I eat;" Goth. itan, O.Frank., O.Swed., O.E. etan, O.H.G. essan "to eat;" Avestan ad- "to eat;" Armenian utem "I eat;" O.C.S. jasti "to eat," Russian jest "to eat").