adj. (pres. ptcp.)
'rocky' (Modern English )
Proposed ON Etymon (OIcel representative)
klettr (n.) 'cliff (in the landscape), cliff-face, crag, bluff, escarpment'
(ONP klettr (sb.))
Other Scandinavian Reflexes
Phonological and morphological markers
hapax legomenon, but see also clynt.
Occurrences in the Gersum Corpus
OED suggests it is 'very possibly a misreading of' <clintes and> (see clint), but this suggestion is not taken up by editors.