Where does “ostooma” come from?

ostooma (Ingrian) comes from Ingrian osto, from Ingrian ostaa, from Proto-Finnic ostadak, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

ostooma (Ingrian): that which is bought

Definitions

  1. that which is bought

Ancestry of “ostooma”, step by step

ostooma traces back through two separate lines of ancestry.

via Ingrian osto

StepLanguageWordMeaning
1Ingrianostopurchase
2Ingrianostaato buy
3Proto-Finnicostadakto buy
4Proto-Uralic-ta-Forms verbs from nouns; Forms causative verbs...

via Ingrian oma

StepLanguageWordMeaning
1Ingrianomaown
2Proto-Finnicomaown
Every word from Proto-Uralic -ta- →Every word from Proto-Finnic ostadak →Every word from Ingrian ostaa →