Where does “vastailla” come from?

vastailla (Finnish) comes from Finnish vastata, from Proto-Finnic vastat'ak — to answer, to reply.

Ancestry of “vastailla”, step by step

StepLanguageWordMeaning
1Finnishvastatato answer, to reply; to respond
2Proto-Finnicvastat'akto answer, to reply
Every word from Proto-Finnic vastat'ak →Every word from Finnish vastata →