From crag + -y.

• (British, America) IPA: /ˈkɹæɡ.i/

craggy (comparative craggier, superlative craggiest)

1. Characterized by rugged, sharp, or coarse features.

   The goat climbed up the craggy rocks.

   The old man had craggy, uncultured features, but had bright, intelligent eyes.

   • c. 1587–1588, [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592, →OCLC ↗; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire, London: Scolar Press, 1973, →ISBN, Act II, scene iii ↗:

     Meete with the foole, and rid your royall ſhoulders
     Of ſuch a burden, as outweighs the ſands
     And all the craggie rockes of Caſpea.

• French: escarpé
• Russian: скали́стый
• Spanish: escarpado (coastline, mountains), accidentado, escabroso (terrain, landscape), rudo, áspero (character, general)