Where does “yesken” come from?

yesken (Middle English) comes from Old English ġiscian, from Proto-West Germanic giskōn, from Proto-Indo-European ǵeys- — gaping, cracked.

Ancestry of “yesken”, step by step

yesken traces back through two separate lines of ancestry.

via Old English ġiscian

StepLanguageWordMeaning
1Old Englishġiscianto sob; sigh; to hiccup
2Proto-West Germanicgiskōnto yawn
3Proto-Indo-Europeanǵeys-gaping, cracked

via Old English ġeocsian

StepLanguageWordMeaning
1Old Englishġeocsian—
Every word from Proto-Indo-European ǵeys- →Every word from Proto-West Germanic giskōn →Every word from Old English ġiscian →
yesken — Etymology, Origin & Word History | Etymology Explorer