Where does “thenka” come from?

thenka (Old Frisian) comes from Proto-West Germanic þankijan, from Proto-Germanic þankijaną, from Proto-Indo-European teng- — to think.

Ancestry of “thenka”, step by step

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

Words derived from “thenka”

Every word from Proto-Indo-European teng- →Every word from Proto-Germanic þankijaną →Every word from Proto-West Germanic þankijan →