Where does “pistalia” come from?
pistalia (Vulgar Latin) comes from Latin pistāre, from Latin pīnsō, from Spanish pienso, from Latin pēnsum, from Latin pendō, from Proto-Italic pendō, from Proto-Indo-European (s)péndeti, from Proto-Indo-European (s)pend- — to stretch.
Ancestry of “pistalia”, step by step
Words derived from “pistalia”