Origin of grindle
1700–10, Americanism; < German Gründel, diminutive of Grund ground, bottom
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for grindle
After which he hastily told Cooper what they had learned from Dr. Grindle.
From it, probably, is derived the surname Grindle, Grindall (Bardsley).
I have talked with Dr. Grindle this morning, and he encouraged me to believe that Roy would come through all right.
The name would have a parallel in the Modern English grindle, grundel, German grundel, a fish haunting the bottom of the water.
At first I was afraid she wouldn't let me off—and at my wits' end I suggested Grindle.