Plural form feet is an instance of i mutation
Fot (cf. fotr, Du. voet, Ger. Fu Goth. fotus "foot"), from PIE pod /ped (cf. Avestan pad ; Skt. pat, acc. padam "foot;" Gk. pos, Attic pous, gen. podos; L. pes, gen. pedis "foot;" Lith. padas "sole," peda "footstep"). Plural form feet is an instance of i mutation. Of a... Continue reading