دَهْرِىٌّ

(S, A, Msb, K) and ↓ دُهْرِىٌّ (K) One who deviates from the truth, and introduces into it that which does not belong to it, synonym مُلْحِدٌ; (S, A;) who asserts that the duration of the present world is from eternity, (A, Msb,) or that it is everlasting, (K,) and does not believe in the resurrection, (Msb,) or in the world to come. (TA.)

And the latter, (S, A, Msb, K,) or the former, (IAmb,) An old, or aged, man. (IAmb, S, A, Msb, K.) Th says that both are rel. ns. from الدَّهْرُ, though the latter is contr. to rule, [as is also remarked in the Msb,] like سُهْلِىٌّ from الأَرْضُ السَّهْلَةُ. (S.)

Some say also that the latter signifies An acute, or ingenious, or expert, man. (TA.)