Where does “sandur” come from?

sandur (Icelandic) comes from Old Norse sandr, from Proto-Germanic samdaz, from Proto-Indo-European sámh₂dʰos, from Proto-Indo-European sem- — together, one.

sandur (Icelandic): sand

Definitions

sand

Ancestry of “sandur”, step by step

Step	Language	Word	Meaning
1	Old Norse	sandr	sand; sandbanks, sands, sandy ground
2	Proto-Germanic	samdaz	sand
3	Proto-Indo-European	sámh₂dʰos	sand
4	Proto-Indo-European	sem-	together, one

Words derived from “sandur”

sandur
sandkassi
Sander
sandbylur
sandhrúga
sandpappír
sandstormur
sandr
sanduri

Every word from Proto-Indo-European sem- →Every word from Proto-Indo-European sámh₂dʰos →Every word from Proto-Germanic samdaz →