Where does “Elin” come from?

Elin (Swedish) comes from Swedish Helena, from Ancient Greek ἑλένη, from Proto-Indo-European swel- — to smolder; burn; scorch; beam, board, frame,...

Ancestry of “Elin”, step by step

Step	Language	Word	Meaning
1	Swedish	Helena	Helen
2	Ancient Greek	ἑλένη	torch, firebrand; corposant, St. Elmo's fire;...
3	Proto-Indo-European	swel-	to smolder; burn; scorch; beam, board, frame,...