Where does “acquietare” come from?

acquietare (Late Latin) comes from Latin quies, from Proto-Italic kʷiētis, from Proto-Indo-European kʷyéh₁tis, from Proto-Indo-European kʷyeh₁- — to rest; rest, peace.

Ancestry of “acquietare”, step by step

acquietare traces back through two separate lines of ancestry.

via Latin quies

StepLanguageWordMeaning
1Latinquiesrest, repose, quiet, calm, lull; dream;...
2Proto-Italickʷiētis—
3Proto-Indo-Europeankʷyéh₁tis—
4Proto-Indo-Europeankʷyeh₁-to rest; rest, peace

via Latin ad

StepLanguageWordMeaning
1Latinadtoward, to; up to; near, by, close by, at, to
2Proto-Italicadtoward, to, on, up to, for
3Proto-Indo-Europeanh₂édto, at
Every word from Proto-Indo-European kʷyeh₁- →Every word from Proto-Indo-European kʷyéh₁tis →Every word from Proto-Italic kʷiētis →