Where does “Hǫfuðey” come from?

Hǫfuðey (Old Norse) comes from Old Norse hǫfuð, from Old Norse -i, from Latin -ē, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

Ancestry of “Hǫfuðey”, step by step

Hǫfuðey traces back through two separate lines of ancestry.

via Old Norse hǫfuð

Step	Language	Word	Meaning
1	Old Norse	hǫfuð	head
2	Old Norse	-i	th
3	Latin	-ē	ly; used to form adverbs from adjectives
4	Latin	dis-	asunder, apart, in two; reversal, removal;...
5	Latin	calceus	shoe
6	Latin	calx	limestone; chalk; the finish line
7	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via Old Norse ey

Step	Language	Word	Meaning
1	Old Norse	ey	always, ever; island
2	Proto-Norse	*ᚨᚢᛃᚢ	—
3	Proto-Germanic	awjō	floodplain; meadow; island
4	Proto-Germanic	agwjō	—
5	Proto-Indo-European	h₂ékʷeh₂	water

Every word from Ancient Greek χάλιξ →Every word from Latin dis- →Every word from Latin -ē →