Where does “tartarikastike” come from?

tartarikastike (Finnish) comes from Finnish kastike, from Finnish kastaa, from Proto-Finnic kastadak, from Proto-Finnic -tadak, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

Ancestry of “tartarikastike”, step by step

tartarikastike traces back through two separate lines of ancestry.

via Finnish kastike

StepLanguageWordMeaning
1Finnishkastikesauce; gravy; dressing
2Finnishkastaato dip, sop; to baptize/baptise
3Proto-Finnickastadakto wet, to soak; to dip, to immerse
4Proto-Finnic-tadakForms verbs from both nominal and verbal stems
5Proto-Uralic-ta-Forms verbs from nouns; Forms causative verbs...

via Finnish tartari

StepLanguageWordMeaning
1Finnishtartari
Every word from Proto-Uralic -ta-Every word from Proto-Finnic -tadakEvery word from Proto-Finnic kastadak