Misreckon

//mɪsˈɹɛkən// verb

Definitions

Verb
  1. 1
    To add (something) up incorrectly, make a wrong calculation of (an amount etc.). transitive
  2. 2
    To make a wrong calculation, to be in error. obsolete, reflexive

    "And therefore he that hath once misreckoned himselfe is never seene againe."

Etymology

From mis- + reckon.

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