Where does “vanhentaminen” come from?

vanhentaminen (Finnish) comes from Finnish vanhentaa, from Ingrian -ua, from Finnish -ttää, from Proto-Finnic -ttadak, from Proto-Uralic -kta-.

Ancestry of “vanhentaminen”, step by step

StepLanguageWordMeaning
1Finnishvanhentaato make older; Third-person singular indicative...
2Ingrian-uaUsed to form inchoative verbs
3Finnish-ttääFront vowel variant of -ttaa
4Proto-Finnic-ttadakCreates causative verbs from regular verbs,...
5Proto-Uralic-kta-—
Every word from Proto-Uralic -kta- →Every word from Finnish -ttää →Every word from Proto-Finnic -ttadak →