Where does “pintinha” come from?

pintinha (Portuguese) comes from Portuguese pinta, from Portuguese pintar, from Old Portuguese pintar, from Vulgar Latin pinctare, from Latin pictāre, from Latin pingere, from Latin pingo, from Latin pango — to attach.

Ancestry of “pintinha”, step by step

StepLanguageWordMeaning
1Portuguesepintanaevus; a small spot, dot or stain; suit
2Portuguesepintarto paint
3Old Portuguesepintar
4Vulgar Latinpinctare
5Latinpictārepaint
6Latinpingeresecond-person singular future passive indicative...
7LatinpingoI decorate or embellish; I paint, tint or colour;...
8LatinpangoI fasten, fix, set, especially drive, sink, force...
9Proto-Italicpangōto fasten, to fix
10Proto-Indo-Europeanpeh₂ǵ-to attach
Every word from Proto-Indo-European peh₂ǵ-Every word from Proto-Italic pangōEvery word from Latin pango