Where does “thenchen” come from?

thenchen (Middle English) comes from Old English þencan, from Proto-West Germanic þankijan, from Proto-Germanic þankijaną, from Proto-Indo-European teng- — to think.

Ancestry of “thenchen”, step by step

thenchen traces back through 3 separate lines of ancestry.

via Old English þencan

StepLanguageWordMeaning
1Old Englishþencanto think
2Proto-West Germanicþankijanto think
3Proto-Germanicþankijanąto perceive, to think
4Proto-Indo-Europeanteng-to think

via Old English þenċan

StepLanguageWordMeaning
1Old Englishþenċanto think

via Old English þenċean

StepLanguageWordMeaning
1Old Englishþenċeanto think
Every word from Proto-Indo-European teng-Every word from Proto-Germanic þankijanąEvery word from Proto-West Germanic þankijan