lahnanruoho (Finnish) comes 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.
lahnanruoho (Finnish): quillwort
Definitions
quillwort
Ancestry of “lahnanruoho”, step by step
lahnanruoho traces back through two separate lines of ancestry.