Where does “portulano” come from?

portulano (Portuguese) comes from Italian portolano, from Medieval Latin portulanus, from Latin Portus, from Proto-Italic portus, from Proto-Indo-European pértus, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

portulano (Portuguese): portolan

Definitions

  1. portolan

Ancestry of “portulano”, step by step

StepLanguageWordMeaning
1Italianportolanoportolan
2Medieval Latinportulanus
3LatinPortus” or, later, “Portus Rōmae”}} Portus large artificial harbour of Ancient Rome
4Proto-Italicportusharbour
5Proto-Indo-Europeanpértuscrossing
6Proto-Indo-Europeanper-before, in front; first; to go through
7Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pértus