Where does “ravelling” come from?

ravelling (English) comes from English -ing, from Middle English -ynge, from Old English -ung, from Proto-Germanic -ungō — -ing, -ion. "Forms gerund nouns from verbs.".

ravelling (English): present participle of ravel; A tangled mess, a...

Definitions

present participle of ravel; A tangled mess, a...

Ancestry of “ravelling”, step by step

Step	Language	Word	Meaning
1	English	-ing	Used to form gerunds, a type of verbal nouns,...
2	Middle English	-ynge	Alternative form of -ing
3	Old English	-ung	forming nouns from verbs, denoting verbal action...
4	Proto-Germanic	-ungō	-ing, -ion. "Forms gerund nouns from verbs."

Every word from Proto-Germanic -ungō →Every word from English -ing →Every word from Old English -ung →