اعتلّ
1.
See عَلَّهُ.
2.
[Hence, اعتلّت
الرِّيحُ (assumed tropical:) The wind became faint, or feeble.]
3.
See also 5, first sentence.
4.
Also He excused himself; or adduced, or urged, an excuse, or a plea; (MA, K, * TA; *) or he laid hold upon a plea, or an allegation. (El-Fárábee, Msb.) You say, اعتلّ
عَلَيْهِ بِعِلَّةٍ (S, MA, O) He adduced, or urged, an excuse, or a plea, or pretext, for it. (MA.) And hence, اِعْتِلَالَاتُ الفُقَهَاءِ [The pleas, or allegations, of the lawyers, which they adduce, or upon which they lay hold]. (Msb.)
5.