Where does “soothfast” come from?

soothfast (English) comes from Middle English sothfast, from Old English sōþfæst, from Old English sōþ, from Proto-West Germanic sanþ, from Proto-Germanic sanþaz, from Proto-Indo-European h₁sónts, from Proto-Indo-European h₁ēs- — to be.

soothfast (English): actual; real; based on the truth, true; faithful;...

Definitions

  1. actual; real; based on the truth, true; faithful;...

Ancestry of “soothfast”, step by step

StepLanguageWordMeaning
1Middle Englishsothfast
2Old Englishsōþfæsttrue, trustworthy
3Old Englishsōþtrue, sooth; truth; true, actual, real
4Proto-West Germanicsanþtrue; truth
5Proto-Germanicsanþaztrue, real
6Proto-Indo-Europeanh₁sóntsactive participle of *h₁ésti; being, existence;...
7Proto-Indo-Europeanh₁ēs-to be

Words derived from “soothfast

Every word from Proto-Indo-European h₁ēs-Every word from Proto-Indo-European h₁sóntsEvery word from Proto-Germanic sanþaz