A primitive root; to muddle, i.e. (figuratively and intransitive) to turn (morally) corrupt -- become filthy.
[אָלַח] verb only
Niph`al be corrupt morally; tainted (Che Psalm 14:3) (compare Arabic VIII. be confused (of a thing), of milk, turn sour) Perfect3plural נֶאֱלָ֑חוּ 14:3; 53:4; Participle נֶאֱלָח a corrupt man Job 15:16.