Morpheme
Gue(s)stimate [Guesstimate, Guestimate]
Type
free base
Denotation
estimate no more accurate than a guess
Etymology
blend of guess + estimate (<Estime + -ate>)
Evidence
guesstimate, guesstimated, guesstimates, guesstimating, guesstimation, guesstimative, guesstimator, guestimate, guestimated, guestimates, guestimating, misguesstimate, overguesstimate, underguesstimate
Notes
guesstimate more common than guestimate
See Also
Guess, Estime, -at(e) [-ate, -at]