Where does “sinketh” come from?

sinketh (English) comes from English sink, from German zink, from Middle High German zinke, from Old High German zinko, from Proto-Germanic tindaz, from Proto-Indo-European h₃dónts, from Proto-Indo-European h₁ed- — to eat.

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

Definitions

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

Ancestry of “sinketh”, step by step

sinketh traces back through two separate lines of ancestry.

via English sink

StepLanguageWordMeaning
1Englishsink"To move or be moved into something."; "To...
2Germanzinksingular imperative of zinken; first-person...
3Middle High Germanzinketine, prong
4Old High Germanzinko
5Proto-Germanictindaztooth; cog; peg; tine; nail; spike; prong; peak;...
6Proto-Indo-Europeanh₃dóntstooth
7Proto-Indo-Europeanh₁ed-to eat

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Indo-European h₁ed-