Where does “tervaantua” come from?

tervaantua (Finnish) comes from Finnish terva, from Proto-Finnic terva, from Proto-Indo-European dérw-o-m, from Proto-Indo-European dóru, from Proto-Indo-European drew- — hard, firm, strong, solid; hard, fast; tree.

Ancestry of “tervaantua”, step by step

StepLanguageWordMeaning
1Finnishtervatar
2Proto-Finnictervatar
3Proto-Indo-Europeandérw-o-m—
4Proto-Indo-Europeandórutree
5Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree
Every word from Proto-Indo-European drew- →Every word from Proto-Indo-European dóru →Every word from Proto-Indo-European dérw-o-m →