Where does “toussir” come from?

toussir (Old French) comes from Latin tussio, from Latin tussis, from Proto-Italic tussis, from Proto-Indo-European tud-ti-s, from Proto-Indo-European (s)tewd-, from Proto-Indo-European stew- — to praise, laud.

Ancestry of “toussir”, step by step

StepLanguageWordMeaning
1LatintussioI cough
2Latintussiscough
3Proto-Italictussis—
4Proto-Indo-Europeantud-ti-scough
5Proto-Indo-European(s)tewd-to push, to hit
6Proto-Indo-Europeanstew-to praise, laud

Words derived from “toussir”

Every word from Proto-Indo-European stew- →Every word from Proto-Indo-European (s)tewd- →Every word from Proto-Indo-European tud-ti-s →