علم

3 عَاْلَمَ ↓ عَالَمَهُ فَعَلَمَهُ, aor. of the latter عَلُمَ , means [ I contended with him, or strove to surpass him, in عِلْم,] and I surpassed him in عِلْم [i. e. knowledge, &c.]: (S, K:) [the measure يَفْعَلُ,] and in like manner the measure يَفْعِلُ, in every case of this kind, is changed into يَفْعُلُ: so says Az: [but see 3 in art. خصم:] and Lh mentions the phrase, مَا كُنْتُ أَرَانِى أَنْ أَعْلُمَهُ [ I did not think, or know, that I should surpass him in knowledge ]. (TA.)