Where does “serzinho” come from?

serzinho (Portuguese) comes from Portuguese ser, from Old Portuguese seer, from Latin sedere, from Latin sedo, from Latin sedeō, from Proto-Italic sedēō, from Proto-Indo-European sḗd- — to sit.

Ancestry of “serzinho”, step by step

StepLanguageWordMeaning
1Portugueseserto be, especially a quality that is intrinsic or not expected to change, contrasting with estar which denotes a temporary quality
2Old Portugueseseerto be
3Latinsederesecond-person singular present passive...
4LatinsedoI allay, settle, still, calm, assuage or appease;...
5Latinsedeōto sit, to be seated
6Proto-Italicsedēōsit, be sitting, be seated
7Proto-Indo-Europeansḗd-to sit
Every word from Proto-Indo-European sḗd-Every word from Proto-Italic sedēōEvery word from Latin sedeō