Webster's Revised Unabridged Dictionary · 1913

Misdoubt

Misdoubt , verb, transitive and intransitive

To be suspicious of; to have suspicion. [Obsolete]
I do not misdoubt my wife. — Shakespeare

Misdoubt , noun

1.
Suspicion. [Obsolete]
2.
Irresolution; hesitation. [Obsolete] — Shakespeare