Where does “đen sì” come from?

đen sì (Vietnamese) comes from Vietnamese Sĩ, from French SI, from French tôt, from Old French tost, from Latin tostum, from Latin tostus, from Proto-Italic *torstos.

đen sì (Vietnamese): very black with an almost grayish tint

Definitions

  1. very black with an almost grayish tint

Ancestry of “đen sì”, step by step

đen sì traces back through two separate lines of ancestry.

via Vietnamese Sĩ

StepLanguageWordMeaning
1VietnameseSĩ—
2FrenchSISI
3Frenchtôtearly
4Old Frenchtostearly; soon; quickly; straight away
5Latintostumnominative neuter singular of tostus; accusative...
6Latintostusroasted, toasted, scorched, having been roasted;...
7Proto-Italic*torstos—

via Vietnamese đen

StepLanguageWordMeaning
1Vietnameseđenof the color black; dark; swarthy; unlucky;...
Every word from Proto-Italic *torstos →Every word from Latin tostus →Every word from Latin tostum →