Where does “tummalahnanruoho” come from?

tummalahnanruoho (Finnish) comes from Finnish lahnanruoho, from Finnish ruoho, from Proto-Finnic rooho, from Proto-Germanic grasą, from Proto-Indo-European ǵʰreh₁- — to become green, grow; to grow; to green, to grow.

tummalahnanruoho (Finnish): A lake quillwort, Isoëtes lacustris

Definitions

  1. A lake quillwort, Isoëtes lacustris

Ancestry of “tummalahnanruoho”, step by step

tummalahnanruoho traces back through two separate lines of ancestry.

via Finnish lahnanruoho

StepLanguageWordMeaning
1Finnishlahnanruohoquillwort
2Finnishruohograss mass noun; blade of grass individual specimen
3Proto-Finnicroohograss
4Proto-Germanicgrasągrass
5Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow

via Finnish tumma

StepLanguageWordMeaning
1Finnishtummadark; dark-haired; Romani, Rom
Every word from Proto-Indo-European ǵʰreh₁-Every word from Proto-Germanic grasąEvery word from Proto-Finnic rooho