Where does “pelinho” come from?

pelinho (Portuguese) comes from Portuguese pelo, from Old Portuguese pelo, from Latin pīlus, from Latin pīlum, from Proto-Italic pistlom, from Proto-Indo-European pis-tlo-, from Proto-Indo-European peys- — to grind, to crush.

Ancestry of “pelinho”, step by step

StepLanguageWordMeaning
1Portuguesepeloby the; for the; through the
2Old Portuguesepelo—
3Latinpīlusa hair
4Latinpīluma pounder, pestle
5Proto-Italicpistlom—
6Proto-Indo-Europeanpis-tlo-—
7Proto-Indo-Europeanpeys-to grind, to crush
Every word from Proto-Indo-European peys- →Every word from Proto-Indo-European pis-tlo- →Every word from Proto-Italic pistlom →