my

my [mī]

possessive pronominal adj.

[ME mi, shortened form of min used before consonants < OE min, of me, my, mine: see MINE¹, ME]

of, belonging to, made by, or done by me: also used before some formal titles and polite forms of address [My Lord, my dear Mr. Brown]

interj.

used to express surprise, dismay, disbelief, etc.: often in combination with other words [oh, my! my goodness! my eye!]