, verbal noun إِفْنَادٌ, as intrans.: see 1, in five places.
2.
-A2- افندهُ (verbal noun as above, TA) He charged him with error in judgment, or opinion; as also ↓فنّدهُ. (M, K.)
3.
And It (old age) rendered him weak in judgment, or unsound in mind: (L:) or it (extreme old age) caused him to have little understanding; [or to be] like a stone. (A.)