Where does “sī” come from?

sī (Latin) comes from Proto-Italic sei, from Proto-Indo-European só — this; that.

sī (Latin): if, supposing that

Definitions

  1. if, supposing that

Ancestry of “sī”, step by step

StepLanguageWordMeaning
1Proto-Italicseiso, thus
2Proto-Indo-Europeansóthis; that

Words derived from “sī”

Every word from Proto-Indo-European só →Every word from Proto-Italic sei →