Where does “oja-aura” come from?

oja-aura (Finnish) comes from Finnish Aura, from Finnish Aurora, from Latin aurōra, from Proto-Italic auzōs, from Proto-Indo-European h₂éwsōs, from Proto-Indo-European h₂éws-os-s, from Proto-Indo-European h₂ews- — dawn; east; to draw water, scoop up.

oja-aura (Finnish): ditch plow, ditch plough tractor-drawn tool for digging or maintenance of ditches

Definitions

  1. ditch plow, ditch plough tractor-drawn tool for digging or maintenance of ditches

Ancestry of “oja-aura”, step by step

oja-aura traces back through two separate lines of ancestry.

via Finnish Aura

StepLanguageWordMeaning
1FinnishAuraplough, plow agricultural tool
2FinnishAuroraAurora
3Latinaurōra
4Proto-Italicauzōsdawn
5Proto-Indo-Europeanh₂éwsōsdawn; goddess of dawn, bringer of light for which...
6Proto-Indo-Europeanh₂éws-os-s
7Proto-Indo-Europeanh₂ews-dawn; east; to draw water, scoop up

via Finnish oja

StepLanguageWordMeaning
1Finnishojaditch, trench; small natural brook
2Proto-Slavicojethill, shaft
3Proto-Indo-Europeanh₂oyHsos
Every word from Proto-Indo-European h₂ews-Every word from Proto-Indo-European h₂éws-os-sEvery word from Proto-Indo-European h₂éwsōs