خدع

مُخْدَعٌ مخدع and ↓ مِخْدَعٌ (Fr, Yaakoob, S, Msb, K) and ↓ مَخْدَعٌ; (Msb, TA;) the first of which is the original form, the second being adopted because the first was found to be difficult of utterance; (Fr, Yaakoob, S;) and the first is the only proper subst. of the measure مُفْعَلٌ; other words of that measure being epithets; (Sb;) A closet, or small chamber, in which a thing is kept, or preserved; (Msb;) i. q. خِزَانَةٌ; (Fr, Yaakoob, S, K;) by which is meant a small chamber within a large chamber: (TA:) from أَخْدَعَهُ meaning “he hid it,” or “concealed it:” (Msb:) and [in like manner] ↓ خَادِعَةٌ signifies a chamber within a chamber: (K:) Er-Rághib says, as though its builder made it a deceiver of him who might seek, or desire, to take, or reach, a thing in it. (TA.)