Where does “sootheth” come from?

sootheth (English) comes from English soothe, from Middle English sothen, from Old English sōþian, from Proto-Germanic sanþōną, from Proto-Indo-European h₁ēs- — to be.

sootheth (English): Third-person singular simple present indicative...

Definitions

  1. Third-person singular simple present indicative...

Ancestry of “sootheth”, step by step

sootheth traces back through two separate lines of ancestry.

via English soothe

StepLanguageWordMeaning
1EnglishsootheTo restore to ease, comfort, or tranquility;...
2Middle Englishsothento prove; to verify, prove the validity of
3Old Englishsōþianto verify, prove, confirm, bear witness to; to...
4Proto-Germanicsanþōnąto prove true, show to be true
5Proto-Indo-Europeanh₁ēs-to be

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Indo-European h₁ēs-Every word from Proto-Germanic sanþōnąEvery word from Old English sōþian