Where does “isotsintsilla” come from?

isotsintsilla (Finnish) comes from Finnish iso, from Finnish isä, from Proto-Finnic icä, from Proto-Uralic ićä — father.

Ancestry of “isotsintsilla”, step by step

isotsintsilla traces back through two separate lines of ancestry.

via Finnish iso

StepLanguageWordMeaning
1Finnishisobig; large; great
2Finnishisäfather; Father
3Proto-Finnicicäfather
4Proto-Uralicićäfather

via Finnish tsintsilla

StepLanguageWordMeaning
1Finnishtsintsillachinchilla
2Spanishchinchillachinchilla
Every word from Proto-Uralic ićä →Every word from Proto-Finnic icä →Every word from Finnish isä →