You searched for: “abarognosis”
abarognosis (s) (noun), abarognoses (pl)
A conscious loss of being able to appreciate the weight of objects held in the hand, or to differentiate objects of different weights: When Sarah went to the grocery store, she found that the abarognosis in her hands made it difficult for her to even estimate how heavy the pineapple she wanted to buy was.
Larry almost dropped the heavy vase that was in his hand because of his abarognosis.
The doctor was not able to determine the cause of Claude's abarognosis or why he couldn't feel the empty glass in his hand.