Where does “dziękuję” come from?

dziękuję (Polish) comes from Polish dziękować, from Old High German dankōn, from Proto-West Germanic *þankōn, from Proto-Germanic þankōną, from Proto-Germanic þankaz, from Proto-Indo-European teng- — to think.

dziękuję (Polish): thank you; first-person singular present of...

Definitions

thank you; first-person singular present of...

Ancestry of “dziękuję”, step by step

Step	Language	Word	Meaning
1	Polish	dziękować	to thank
2	Old High German	dankōn	to thank
3	Proto-West Germanic	*þankōn	to thank
4	Proto-Germanic	þankōną	to thank
5	Proto-Germanic	þankaz	thought; mind; consideration; remembrance;...
6	Proto-Indo-European	teng-	to think

Every word from Proto-Indo-European teng- →Every word from Proto-Germanic þankaz →Every word from Proto-Germanic þankōną →