Where does “stalpig” come from?

stalpig (Swedish) comes from Swedish -ig, from Swedish -og, from Old Swedish -ogher, from Old Norse -igr, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

stalpig (Swedish): steep

Definitions

steep

Ancestry of “stalpig”, step by step

Step	Language	Word	Meaning
1	Swedish	-ig	-y; forms adjectives from nouns
2	Swedish	-og	—
3	Old Swedish	-ogher	—
4	Old Norse	-igr	-y
5	Proto-Germanic	-gaz	-y
6	Proto-Indo-European	-ḱos	-y, -ic

Every word from Proto-Indo-European -ḱos →Every word from Swedish -ig →Every word from Proto-Germanic -gaz →