Where does “hallur” come from?

hallur (Icelandic) comes from Old Norse hallr, from Proto-Germanic halluz, from Proto-Indo-European (s)kel- — to bend, crook; bent, crooked; leg, heel, knee,...

hallur (Icelandic): sloping, slanted; biased, inclined, partial;...

Definitions

sloping, slanted; biased, inclined, partial;...

Ancestry of “hallur”, step by step

Step	Language	Word	Meaning
1	Old Norse	hallr	slope, hill; rock, stone; leaning to one side,...
2	Proto-Germanic	halluz	A rock; stone; boulder; A rockface; cliff
3	Proto-Indo-European	(s)kel-	to bend, crook; bent, crooked; leg, heel, knee,...

Every word from Proto-Indo-European (s)kel- →Every word from Proto-Germanic halluz →Every word from Old Norse hallr →