Where does “grâssement” come from?

grâssement (Norman) comes from Norman gras, from Old French cras, from Latin crassus, from Old Latin cartsus, from Proto-Italic kartsus, from Proto-Indo-European kr̥t-sú-s, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

Definitions

Ancestry of “grâssement”, step by step

StepLanguageWordMeaning
1Normangrasfat
2Old Frenchcrasfat
3Latincrassusdense, thick, solid; fat, gross, plump;...
4Old Latincartsus—
5Proto-Italickartsus—
6Proto-Indo-Europeankr̥t-sú-s—
7Proto-Indo-Europeankert-times; to weave, twist together; time
8Proto-Turkic*keŕ-to travel, tour
Every word from Proto-Turkic *keŕ- →Every word from Proto-Indo-European kert- →Every word from Proto-Indo-European kr̥t-sú-s →