Where does “rintapoolosti” come from?

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

rintapoolosti (Ingrian): thoracic cavity

Definitions

  1. thoracic cavity

Ancestry of “rintapoolosti”, step by step

rintapoolosti 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 Ingrian rinta

StepLanguageWordMeaning
1Ingrianrintabreast
Every word from Proto-Slavic -ostьEvery word from Russian -остьEvery word from Russian полость