mishave
To misbehave or misconduct (oneself); do wrong.
intransitive, obsolete
It is agreed […] that if anie servaunte […] shall by fighting, quarrelling or other unsemelie maner at anie time herafter misdemeane or mishave himself and therof be ones monished or warned […]
Where it comes from
From Middle English *mishaven, from Old English *mishabban, attested in derivative mishabbende (“having ill”), equivalent to mis- + have.
Adapted from the Wiktionary entry mishave (CC BY-SA 4.0).