Where does “capitam” come from?

capitam (Old Portuguese) comes from Ligurian capitan, from Late Latin capitanus, from Latin capitaneus, from Latin -aneus, from Latin -anus, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

Ancestry of “capitam”, step by step

StepLanguageWordMeaning
1Liguriancapitan
2Late Latincapitanus
3Latincapitaneuslarge, chief in size; capital; captain, commander
4Latin-aneusOf or pertaining to; -aneous
5Latin-anusOf or pertaining to; -ian
6Latin-umnominative neuter singular of -us; accusative...
7Proto-Italic*-om
8Proto-Indo-European*-oHom
Every word from Proto-Indo-European *-oHomEvery word from Latin -umEvery word from Latin -anus