مبہم mubham pass. part. of ابہم 'to close or lock' a door, c., iv of بہم 'to stay in; to be confounded or perplexed'
A مبہم mubham (pass. part. of ابہم 'to close or lock' (a door), &c., iv of بہم 'to stay (in); to be confounded or perplexed'), part. adj. Occult; unknown; concealed; obscure; doubtful, uncertain, vague, indistinct; unintelligible (speech); ambiguous, equivocal;—indeterminate; indefinite:—ism-ě-mubham, 'The noun of indication,' the demonstrative pronoun (so called because, in Arabic, it has no derivative, and its root is unknown).