تفهّمهُ

He understood it, or knew it, (فَهِمَهُ,) one thing [or one particular thereof] after another; (S, K;) namely, speech, or language. (S.)

[And He endeavoured to understand it. (See its verbal noun as used in the former half of the second paragraph of article دبر.)] And ↓ التَّفَاهُمُ signifies the same as التَّفَهُّمُ [apparently as meaning The endeavouring to understand; or the affecting, or pretending, to understand]. (TA.)