Where does “martinpäivä” come from?

martinpäivä (Finnish) comes from Finnish Martti, from Russian март, from Old East Slavic мартъ, from Ancient Greek Μάρτιος, from Latin Mārtius, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

martinpäivä (Finnish): St. Martin's Day

Definitions

  1. St. Martin's Day

Ancestry of “martinpäivä”, step by step

martinpäivä traces back through two separate lines of ancestry.

via Finnish Martti

StepLanguageWordMeaning
1FinnishMartti
2RussianмартMarch
3Old East Slavicмартъ
4Ancient GreekΜάρτιοςMarch
5LatinMārtiusof or belonging to Mars, the god of war; sacred to Mars
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems

via Finnish päivä

StepLanguageWordMeaning
1Finnishpäiväday; the sun
2Proto-Finnicpäiväsun; day
3Proto-Uralicpäjwä? warmth; ? sun; ? fire
4Proto-Uralicpäje
Every word from Proto-Indo-European -yósEvery word from Latin -iusEvery word from Latin Mārtius