Where does “tristus” come from?

tristus (Vulgar Latin) comes from Latin trīstis, from Proto-Indo-European tristh₂s, from Proto-Indo-European steh₂- — to stand.

Ancestry of “tristus”, step by step

StepLanguageWordMeaning
1Latintrīstissad, unhappy, melancholy, morose
2Proto-Indo-Europeantristh₂sa third party standing, after the two parties to...
3Proto-Indo-Europeansteh₂-to stand

Words derived from “tristus”

Every word from Proto-Indo-European steh₂- →Every word from Proto-Indo-European tristh₂s →Every word from Latin trīstis →
tristus — Etymology, Origin & Word History | Etymology Explorer