Description:

The term 'skarpa' was borrowed from Italian by the AXZ during the early modern period as a technical term for a landform where two relatively level land areas are separated by a long cliff, caused either by differential erosion of sedimentary formations or tectonic forces. It has been picked up in High Common vernacular as a word for cliff, having significant overlap with jettahajk, probably initially from Commonised place names.

Noun:

In a noun context, skarpa refers to a cliff, scarp or escarpment, having the latter meaning specifically in technical contexts. 

Verb:

In a verb context, skarpa is an intransitive pali verb meaning to hit a discontinuity like a cliff, with the implication or bring stopped or falling off. 

Modifier: 

The modifier form 'skarpas' has a sense like 'discontinuous'.