fajlilo (Esperanto) comes from Esperanto fajli, from Yiddish פֿײַלן, from Yiddish פֿײַל, from Old High German pfīl, from Proto-Germanic *pīl, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo- — to grind, to crush.
fajlilo (Esperanto): file