Where does “lyhennyserä” come from?

lyhennyserä (Finnish) comes from Finnish lyhennys, from Finnish lyhentää, from Finnish lyhetä, from Finnish -etä, from Proto-Finnic -t'ak, from Proto-Uralic -ta- — Forms verbs from nouns; Forms causative verbs...

lyhennyserä (Finnish): installment/instalment of a loan or debt one of the portions to pay back a debt, often a loan, that is paid at regular intervals

Definitions

  1. installment/instalment of a loan or debt one of the portions to pay back a debt, often a loan, that is paid at regular intervals

Ancestry of “lyhennyserä”, step by step

lyhennyserä traces back through two separate lines of ancestry.

via Finnish lyhennys

StepLanguageWordMeaning
1Finnishlyhennysshortening; abbreviation; payment
2Finnishlyhentääto shorten; to abbreviate; to reduce or pay back...
3FinnishlyhetäTo shorten, to become shorter
4Finnish-etäFront vowel variant of -eta
5Proto-Finnic-t'akForms verbs from nominal stems, generally with a causative, factitive or instrumental meaning
6Proto-Uralic-ta-Forms verbs from nouns; Forms causative verbs...

via Finnish erä

StepLanguageWordMeaning
1Finnisheräbatch; lot; Short for maksuerä
2Proto-Finniceräapart, separate
3Proto-Finno-Ugriceräapart
Every word from Proto-Uralic -ta-Every word from Finnish -etäEvery word from Proto-Finnic -t'ak