Where does “gräsand” come from?

gräsand (Swedish) comes from Swedish gräs, from Old Norse gras, from Proto-Germanic grasą, from Proto-Indo-European ǵʰreh₁- — to become green, grow; to grow; to green, to grow.

gräsand (Swedish): mallard (duck), Anas platyrhynchos

Definitions

mallard (duck), Anas platyrhynchos

Ancestry of “gräsand”, step by step

gräsand traces back through two separate lines of ancestry.

via Swedish gräs

Step	Language	Word	Meaning
1	Swedish	gräs	grass; any plant of the family Poaceae; grass,...
2	Old Norse	gras	grass, herbage; a herb, usually with special...
3	Proto-Germanic	grasą	grass
4	Proto-Indo-European	ǵʰreh₁-	to become green, grow; to grow; to green, to grow

via Swedish and

Step	Language	Word	Meaning
1	Swedish	and	a wild duck
2	Old Norse	ǫnd	duck; breath; soul
3	Proto-Germanic	anadô	breath; spirit; zeal
4	Proto-Indo-European	h₂enh₁‑	to breathe

Every word from Proto-Indo-European ǵʰreh₁- →Every word from Proto-Germanic grasą →Every word from Old Norse gras →