Where does “таптыыр” come from?

таптыыр (Yakut) comes from Yakut таптаа, from Proto-Turkic *tapla-, from Proto-Turkic *tăp-.

Ancestry of “таптыыр”, step by step

таптыыр traces back through two separate lines of ancestry.

via Yakut таптаа

StepLanguageWordMeaning
1Yakutтаптааto make a cover, case
2Proto-Turkic*tapla-—
3Proto-Turkic*tăp-—

via Yakut ыыр

StepLanguageWordMeaning
1Yakutыырtrail
2Proto-Turkic*yïr-—
Every word from Proto-Turkic *tăp- →Every word from Proto-Turkic *tapla- →Every word from Yakut таптаа →