Where does “Island” come from?

Island (Livonian) comes from Latvian Islande, from Icelandic Ísland, from Old Norse Ísland, from Old Norse íss, from Proto-Germanic īsą, from Proto-Indo-European h₁eyH- — ice, frost.

Ancestry of “Island”, step by step

Step	Language	Word	Meaning
1	Latvian	Islande	Iceland
2	Icelandic	Ísland	Iceland
3	Old Norse	Ísland	Iceland
4	Old Norse	íss	ice
5	Proto-Germanic	īsą	ice
6	Proto-Indo-European	h₁eyH-	ice, frost

Every word from Proto-Indo-European h₁eyH- →Every word from Proto-Germanic īsą →Every word from Old Norse íss →