Where does “alga” come from?

alga (Galician) comes from Latin alga, from Proto-Indo-European alǵ- — to be dirty, be slimy; frog; duckweed; to be...

alga (Galician): alga

Definitions

Step	Language	Word	Meaning
1	Latin	alga	Seaweed; plants that grow in freshwater;...
2	Proto-Indo-European	alǵ-	to be dirty, be slimy; frog; duckweed; to be...