My
MY, pronoun. adjective. [contracted from migen, mine. Me was originally mig, and the adjective migen. So in Latin meus. See Mine.]
Belonging to me; as, this is my book. Formerly, mine was used before a vowel, and my before a consonant; my is now used before both. We say, my book; my own book; my old friend. Mine is still used after a verb; as, this book is mine.