[ grok ]
/ grɒk /
verb (used with object)
to understand thoroughly and intuitively.
verb (used without object)
to communicate sympathetically.
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Origin of grok
coined by Robert A. Heinlein in the science-fiction novel Stranger in a Strange Land (1961)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
"to understand empathically," 1961, arbitrary formation by U.S. science fiction writer Robert A. Heinlein (1907-1988) in his book "Stranger in a Strange Land." In popular use 1960s; perhaps obsolete now except in internet technology circles.
Online Etymology Dictionary, © 2010 Douglas Harper