Where does “pistoncino” come from?

pistoncino (Italian) comes from Italian pistone, 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 — to stretch.

Ancestry of “pistoncino”, step by step

StepLanguageWordMeaning
1Italianpistonepiston; valve - of a musical instrument
2Latinpistāre
3Latinpīnsōto beat, pound
4Spanishpiensoanimal feed; thought
5Latinpēnsumallotment, portion, weight (of wool measured out to a slave to spin in a day)
6Latinpendōto weigh, weigh out
7Proto-Italicpendōhang, put in a hanging position
8Proto-Indo-European(s)péndeti
9Proto-Indo-European(s)pend-to stretch
Every word from Proto-Indo-European (s)pend-