From a (as a negative particle) and a presumed derivative of kathairo (meaning cleansed); impure (ceremonially, morally (lewd) or specially, (demonic)) -- foul, unclean.
see GREEK a
see GREEK kathairo
ἀκάθαρτα (akatharta) − 6 Occurrences
ἀκαθάρτοις (akathartois) − 2 Occurrences
ἀκάθαρτον (akatharton) − 9 Occurrences
ἀκάθαρτος (akathartos) − 1 Occurrence
ἀκαθάρτου (akathartou) − 5 Occurrences
ἀκαθάρτῳ (akathartō) − 5 Occurrences
ἀκαθάρτων (akathartōn) − 4 Occurrences