pronoun pl. you

1. the person to whom one is speaking or writing: personal pronoun in the second person (sing. & pl.): you is the nominative and objective form (sing. & pl.), yours the possessive (sing. & pl.), and yourself (sing.) and yourselves (pl.) the reflexive and intensive; your is the possessive pronominal adjective
2. any person: equivalent in sense to indefinite one you can never be sure!

Etymology: ME you, ou, eow < OE eow, dat. & acc. pl. of ge, ye, akin to Du u < IE base *iw-, you > Sans yuvám, you