grassnákur (Icelandic) comes from Icelandic snákur, from Old Norse snákr, from Proto-Germanic snakô, from Proto-Germanic snakaną, from Proto-Indo-European sneg- — to crawl, creeping thing.
grassnákur (Icelandic): grass snake
Definitions
grass snake
Ancestry of “grassnákur”, step by step
grassnákur traces back through two separate lines of ancestry.