Where does “crope” come from?

crope (Scots) comes from Scots roup, from Middle English ropen, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos — adjectival suffix.

Ancestry of “crope”, step by step

crope traces back through 3 separate lines of ancestry.

via Scots roup

Step	Language	Word	Meaning
1	Scots	roup	to shout, roar, cry out loudly
2	Middle English	ropen	To form into ropes or strands
3	Middle English	-en	Denotes the past participle form when attached to...
4	Old English	-en	mæġþ + API → mæġden; cocc + API → cycen, cicen;...
5	Old Norse	-inn	Used to create adjectives from nouns, meaning...
6	Proto-Norse	-īna-	—
7	Proto-Germanic	-īnaz	-en
8	Proto-Indo-European	-iHnos	Creates adjectives of materials
9	Proto-Indo-European	-no-	adjectival suffix

via Scots rowp

Step	Language	Word	Meaning
1	Scots	rowp	—

via Scots rope

Step	Language	Word	Meaning
1	Scots	rope	to cry, cry hoarsely, roop

Words derived from “crope”

Every word from Proto-Indo-European -no- →Every word from Middle English -en →Every word from Proto-Germanic -īnaz →