Continuing, or unceasing, journeying. (M, L.) [Perhaps a verbal noun: see سَمَدَتِ الإِبِلُ, and what next precedes it, in the latter part of the first paragraph.]
2.
هُوَ لَكَ سَمْدًا, (K, TA,) or ↓سَمَدًا, (M,) [in my copy of the Mgh سمدًا, and in the O سَمدًا,] He, or it, is thine ever, or for ever; synonym سَرْمَدًا, (Th, M, Mgh, O, K,) and أَبَدًا. (Th, M, Mgh.) And لَا أَفْعَلُ ذٰلِكَ سَمْدًا or ↓سَمَدًا, (M,) I will not do that ever. (M, TA.)