Where does “spoketh” come from?

spoketh (English) comes from English spoke, from Middle English spoke, from Old English spāca, from Proto-West Germanic *spaikā, from Proto-Germanic spaikō — spoke.

Ancestry of “spoketh”, step by step

spoketh traces back through two separate lines of ancestry.

via English spoke

StepLanguageWordMeaning
1EnglishspokeA support structure that connects the axle or the...
2Middle EnglishspokeA spoke; A sharp spike or projection on the edge...
3Old Englishspācaspoke
4Proto-West Germanic*spaikāspoke
5Proto-Germanicspaikōspoke

via English eth

StepLanguageWordMeaning
1EnglishethA letter introduced into Old English to...
Every word from Proto-Germanic spaikōEvery word from Proto-West Germanic *spaikāEvery word from Old English spāca