progeniculo

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

prŏgĕnĭcŭlo, āre [pro-geniculum],

to fall on the knees , to beg on one's knees : progeniculo, γουνοῦμαι, Gloss. Lat. Gr.: progeniculat, γονυπετεῖ, ib.