Where does “gælen” come from?

gælen (Norwegian Nynorsk) comes from Old Norse galinn, from Old Norse gala, from Proto-Germanic galaną, from Proto-Indo-European ǵʰel- — to shine, glimmer, glow; to shimmer, gleam;...

Ancestry of “gælen”, step by step

Step	Language	Word	Meaning
1	Old Norse	galinn	enchanted; mad, frantic; past participle of gala
2	Old Norse	gala	to sing; to crow; to chant
3	Proto-Germanic	galaną	to shout, yell; to charm, sing
4	Proto-Indo-European	ǵʰel-	to shine, glimmer, glow; to shimmer, gleam;...

Every word from Proto-Indo-European ǵʰel- →Every word from Proto-Germanic galaną →Every word from Old Norse gala →