Main Entry: ¹my

Pronunciation: \ˈmī, mə\

Function: adjective

Etymology: Middle English, from Old English mīn, from mīn, suppletive genitive of ic I; akin to Old English mē me

Date: 12th century

1 : of or relating to me or myself especially as possessor, agent, object of an action, or familiar person <my car> <my injuries> <my man>
2 —used interjectionally to express surprise and sometimes reduplicated <my oh my> ; used also interjectionally with names of various parts of the body to express doubt or disapproval <my foot>