Where does “krossfiskur” come from?

krossfiskur (Icelandic) comes from Icelandic kross, from Old Norse kross, from Old Irish cros, from Latin crux, from Proto-Italic *kruks, from Proto-Indo-European sḱer- — to caw, crow.

krossfiskur (Icelandic): starfish

Definitions

starfish

Ancestry of “krossfiskur”, step by step

krossfiskur traces back through two separate lines of ancestry.

via Icelandic kross

Step	Language	Word	Meaning
1	Icelandic	kross	a cross; a crucifix; a burden
2	Old Norse	kross	cross
3	Old Irish	cros	cross
4	Latin	crux	wooden frame on which criminals were crucified,...
5	Proto-Italic	*kruks	—
6	Proto-Indo-European	sḱer-	to caw, crow

via Icelandic fiskur

Step	Language	Word	Meaning
1	Icelandic	fiskur	fish; Pisces
2	Old Norse	fiskr	a fish
3	Proto-Germanic	fiskaz	fish
4	Indo-European	*peysk-	—

Every word from Proto-Indo-European sḱer- →Every word from Proto-Italic *kruks →Every word from Latin crux →