Where does “úsæll” come from?

úsæll (Old Norse) comes from Proto-Germanic *unsāliz, from Proto-Germanic un-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

Ancestry of “úsæll”, step by step

StepLanguageWordMeaning
1Proto-Germanic*unsāliz
2Proto-Germanicun-not, un-
3Proto-Indo-Europeann̥-not, un-
4Proto-Indo-Europeannenot

Words derived from “úsæll

Every word from Proto-Indo-European neEvery word from Proto-Indo-European n̥-Every word from Proto-Germanic un-