Where does “iglu” come from?

iglu (Polish) comes from English igloo, from Inuktitut ᐃᒡᓗ, from Proto-Inuit ǝɣlu, from Proto-Eskimo ǝŋlu — house.

Ancestry of “iglu”, step by step

StepLanguageWordMeaning
1EnglishiglooA dome-shaped Inuit shelter, constructed of...
2Inuktitutᐃᒡᓗhouse, habitation
3Proto-Inuitǝɣluhouse
4Proto-Eskimoǝŋluhouse
Every word from Proto-Eskimo ǝŋluEvery word from Proto-Inuit ǝɣluEvery word from Inuktitut ᐃᒡᓗ