Where does “pitkittäminen” come from?

pitkittäminen (Finnish) comes from Finnish pitkittää, from Finnish pitkä, from Proto-Finnic pitkä, from Proto-Uralic pide, from Finnish pitää, from Proto-Finnic pitädäk, from Proto-Finno-Ugric pitä-.

Ancestry of “pitkittäminen”, step by step

StepLanguageWordMeaning
1Finnishpitkittääto prolong, draw out, extend
2Finnishpitkälong; tall; Short for pitkä kiekko
3Proto-Finnicpitkälong; tall
4Proto-Uralicpidetall
5Finnishpitääto hold, grasp, grip; to keep, take; to like, be...
6Proto-Finnicpitädäkto hold, to grasp; to keep
7Proto-Finno-Ugricpitä-—
Every word from Proto-Finno-Ugric pitä- →Every word from Proto-Finnic pitädäk →Every word from Finnish pitää →