Where does “kastekirja” come from?

kastekirja (Finnish) comes from Finnish kaste, from Proto-Finnic kastek, from Proto-Finnic kastadak, from Proto-Finnic -tadak, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

kastekirja (Finnish): baptismal certificate, baptismal record

Definitions

  1. baptismal certificate, baptismal record

Ancestry of “kastekirja”, step by step

kastekirja traces back through two separate lines of ancestry.

via Finnish kaste

StepLanguageWordMeaning
1Finnishkastedew; baptism, christening
2Proto-Finnickastekdew
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 kirja

StepLanguageWordMeaning
1Finnishkirjabook; quire
2Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Uralic -ta- →Every word from Proto-Finnic -tadak →Every word from Proto-Finnic kastadak →
kastekirja — Etymology, Origin & Word History | Etymology Explorer