Where does “tranquil” come from?

Tranquil comes from Middle French tranquille, from Latin tranquillus, from Proto-Italic trānskʷīlos, ultimately from Proto-Indo-European terh₂- meaning to cross or pass through.

tranquil (English): Free from emotional or mental disturbance; Calm;...

Definitions

  1. Free from emotional or mental disturbance; Calm;...

Ancestry of “tranquil”, step by step

StepLanguageWordMeaning
1Middle Frenchtranquille
2LatinTranquillusquiet, calm, still, tranquil
3Latintrānsquīlus
4Latinquiēsthe rest of sleep, repose
5Proto-Italickʷiētis
6Proto-Indo-Europeankʷyéh₁tis
7Proto-Indo-Europeankʷyeh₁-to rest; rest, peace

Words derived from “tranquil

Every word from Proto-Indo-European kʷyeh₁-Every word from Proto-Indo-European kʷyéh₁tisEvery word from Proto-Italic kʷiētis