كثء

كَثْأَةٌ ذ and كَثْأَةٌ (like كثعة, TA) Oily scum, or floating curd, of milk; or what floats above the water: (S, K, TA:) scum of a pot, after boiling. (TA.) ― -b2- خُذْ كَثأةَ قِدْرِكَ Take the scum of thy pot. (S.) [See 2.] -A2- كَثْأَةٌ and كَثَاةٌ (K) The leek, syn. كُرَّاث: or, as some say, the wild carrot, syn. حِنْزَاب: (TA:) or the rocket, syn. جِرْجِير: (K:) or, accord. to AM, the seed of that plant: (TA:) or wild rocket, syn. جِرْجِير بَرِّىّ; (K;) not that which is cultivated in gardens. (TA.) Aboo-Málik says, that it is also called نَهْق. (TA.) [See also كَتْأَة.]