عتم

عَاتِمٌ ذ Tardy, or late; entering upon, or coming in, the evening; applied to a guest; (S, K;) and to the entertainment for a guest, or guests: (S:) and ↓ مُعْتِمٌ, applied to a guest, signifies [the same, or] entering upon, or coming in, the evening; or, as some say, remaining, staying, dwelling, or abiding. (TA.) And one says, فُلَانٌ عَاتِمُ القِرَى Such a one is slow, or tardy, in respect of the entertainment for the guest, or guest: (TA:) and in like manner, [but in an intensive sense,] القِرَى ↓ مِعْتَامُ. (Har p. 579.) See also عَتُومٌ. ― -b2- النُّجُومُ العَاتِمَاتُ means The stars that are dark by reason of a dusty hue in the air: (K:) such is the case in drought; for the stars of winter are more bright because of the clearness of the sky: but El-Aashà applies it to the stars of winter. (TA.)