Where does “geweldich” come from?

geweldich (Middle Dutch) comes from Old Dutch giweldig, from Old Dutch -ig, from Proto-West Germanic -g, from Proto-Germanic -gaz, from Proto-Indo-European -ḱos — -y, -ic.

Ancestry of “geweldich”, step by step

Step	Language	Word	Meaning
1	Old Dutch	giweldig	powerful
2	Old Dutch	-ig	—
3	Proto-West Germanic	-g	Forms adjectives from nouns and verbs with a...
4	Proto-Germanic	-gaz	-y
5	Proto-Indo-European	-ḱos	-y, -ic

Words derived from “geweldich”

geweldig
overweldigen
ontweldigen

Every word from Proto-Indo-European -ḱos →