Where does “tæcung” come from?

tæcung (Old English) comes from Old English tǣċan, from Proto-West Germanic taikijan, from Proto-Germanic taikijaną, from Proto-Indo-European deyḱ- — to point out.

Ancestry of “tæcung”, step by step

StepLanguageWordMeaning
1Old Englishtǣċanto show, point out; to show, declare,...
2Proto-West Germanictaikijan—
3Proto-Germanictaikijanąto show, point out, teach
4Proto-Indo-Europeandeyḱ-to point out
Every word from Proto-Indo-European deyḱ- →Every word from Proto-Germanic taikijaną →Every word from Proto-West Germanic taikijan →