Where does “vatsapoolosti” come from?

vatsapoolosti (Ingrian) comes from Ingrian poolosti, from Russian полость, from Russian -ость, from Proto-Slavic -ostь — Used with adjectival stems to form abstract...

vatsapoolosti (Ingrian): abdominal cavity

Definitions

  1. abdominal cavity

Ancestry of “vatsapoolosti”, step by step

vatsapoolosti traces back through two separate lines of ancestry.

via Ingrian poolosti

StepLanguageWordMeaning
1Ingrianpoolosticavity
2Russianполостьcavity hollow area within the body
3Russian-ость-ness, -ity
4Proto-Slavic-ostьUsed with adjectival stems to form abstract...

via Finnish vatsa

StepLanguageWordMeaning
1Finnishvatsastomach
2Proto-Finnicvaccastomach
Every word from Proto-Slavic -ostь →Every word from Russian -ость →Every word from Russian полость →