Where does “sothiaque” come from?

sothiaque (French) comes from Ancient Greek σωθιακός, from Ancient Greek Σῶθις, from Egyptian spdt, from Egyptian spd — to be sharp.

Ancestry of “sothiaque”, step by step

StepLanguageWordMeaning
1Ancient GreekσωθιακόςSothic
2Ancient GreekΣῶθιςSirius
3Egyptianspdteffectiveness; triangle
4Egyptianspdto be sharp

Words derived from “sothiaque”

Every word from Egyptian spd →Every word from Egyptian spdt →Every word from Ancient Greek Σῶθις →