Akmon

Etymology
From Proto-Indo-European *akmōn.

Noun
akmon (plural akmonon)
 * 1) stone
 * 2) (slang) diamond

Derived words

 * akmonar (n), stonecutter.
 * akmondom (n), quarry.
 * akmonin (n), pebble.
 * akmonok (adj), hard (colloquially).
 * akmonoz (v), to harden (colloquially).
 * ekmon (n), brick.