Argobba

ingir, ägər, äḇgər - foot (Leslau 1997, 191)

PWS
*ˀi(n)gi/ur- - foot (SED I No. 7; Kogan 2015: 441)
independent root (SED I No. 7) or corresponds to *rigl- - foot, through a highly peculiar phonological evolution (Voigt 1998a)