The Cappadocian Greek word καμάρα
Word καμάρα
k a m a r a
Transliteration kamara
Meaning great rock, hammer
See also Proto-Indo-European: *ak̂-, ok̂- (*hekʷ-) ‘sharp stone’

Other words that might be of interest
χόγορος ‘gold’, αγκανάς ‘chisel’, λιτεύω ‘to bind’, κάτζιν ‘ax’