WordWeight : Weighing the Words

Pronunciation : Your
Part of Speech : pron.
Etymology : [OE. your, , eowr, eower, AS. e?wer, originally used as the gen. of ge, ge, ye; akin to OFries. iuwer your, OS. iuwar, D. uw, OHG. iuwer, G. euer, Icel. ythar, Goth. izwara, izwar, and E. you. *189. See You.]
Definition : Defn: The form of the possessive case of the personal pronoun you.

Note: The possessive takes the form yours when the noun to which it refers is not expressed, but implied; as, this book is yours. "An old fellow of yours." Chaucer.

& a.
Source : Webster's Unabridged Dictionary, 1913