Where does “Gjaflaugr” come from?

Gjaflaugr (Old Norse) comes from Old Norse laug, from Proto-Germanic laugō, from Proto-Indo-European lewh₃- — to wash.

Ancestry of “Gjaflaugr”, step by step

Gjaflaugr traces back through two separate lines of ancestry.

via Old Norse laug

StepLanguageWordMeaning
1Old Norselaugbath; hot spring; first-person singular past...
2Proto-Germaniclaugōbath, wash; soap, lye
3Proto-Indo-Europeanlewh₃-to wash

via Old Norse gjǫf

StepLanguageWordMeaning
1Old Norsegjǫfa gift
2Proto-Germanicgebōgift; name of the G-rune

Words derived from “Gjaflaugr

Every word from Proto-Indo-European lewh₃-Every word from Proto-Germanic laugōEvery word from Old Norse laug