Where does “Stig” come from?

Stig (Norwegian) comes from Old Norse stígr, from Old Norse stíga, from Proto-Germanic stīganą, from Proto-Indo-European stéygʰeti, from Proto-Indo-European steygʰ- — to go; to climb.

Ancestry of “Stig”, step by step

Step	Language	Word	Meaning
1	Old Norse	stígr	path; inflection of stíga: ## second-person...
2	Old Norse	stíga	to step, to tread; to step on, to set foot on;...
3	Proto-Germanic	stīganą	to go up; climb, ascend
4	Proto-Indo-European	stéygʰeti	to be walking; to be climbing
5	Proto-Indo-European	steygʰ-	to go; to climb

Every word from Proto-Indo-European steygʰ- →Every word from Proto-Indo-European stéygʰeti →Every word from Proto-Germanic stīganą →