I

>pronoun, nominative I, possessive my or mine, objective me; plural nominative we, possessive our or ours, objective us.
the nominative singular pronoun, used by a speaker in referring to himself or herself.
>noun, plural I;s.
(used to denote the narrator of a literary work written in the first person singular).
Metaphysics. the ego.
>Origin of I
before 900; Middle English ik, ich, i; Old English ic, ih; cognate with German ich, Old Norse ek, Latin ego, Greek egṓ, OCS azŭ, Lithuanian aš, Sanskrit ahám