Webster's Revised Unabridged Dictionary · 1913

My

My (mī) , a. & poss. pron.

[Old English mi, from min. See Mine, and compare, for loss of n, A, a., An, a.]

Of or belonging to me; -- used always attributively; as, my body; my book; -- mine is used in the predicate; as, the book is mine. See Mine.