Where does “juullerujussuaq” come from?

juullerujussuaq (Greenlandic) comes from Greenlandic juulli, from Danish Jul, from Old Swedish iūl, from Old Norse jól, from Proto-Germanic jehwlą, from Proto-Indo-European yekə- — joke, play.

juullerujussuaq (Greenlandic): Christmas Day

Definitions

Christmas Day

Ancestry of “juullerujussuaq”, step by step

Step	Language	Word	Meaning
1	Greenlandic	juulli	Christmas
2	Danish	Jul	Christmas the time around 25 December
3	Old Swedish	iūl	yule, midwinter season
4	Old Norse	jól	yule, midwinter season
5	Proto-Germanic	jehwlą	festivity, celebration; Yule
6	Proto-Indo-European	yekə-	joke, play

Every word from Proto-Indo-European yekə- →Every word from Proto-Germanic jehwlą →Every word from Old Norse jól →