Where does “tammisikko” come from?

tammisikko (Ingrian) comes from Ingrian -kko, from Proto-Finnic -kkoi — Forms diminutive nouns.

tammisikko (Ingrian): oak forest

Definitions

  1. oak forest

Ancestry of “tammisikko”, step by step

StepLanguageWordMeaning
1Ingrian-kkoUsed to form collective nouns
2Proto-Finnic-kkoiForms diminutive nouns
Every word from Proto-Finnic -kkoi →Every word from Ingrian -kko →
tammisikko — Etymology, Origin & Word History | Etymology Explorer