Word Study
Your
CIDE DICTIONARY
Your, pron. & a. [OE. your, , eowr, eower, AS. eówer, originally used as the gen. of ge, gē, ye; akin to OFries. iuwer your, OS. iuwar, D. uw, OHG. iuwēr, G. euer, Icel. y&edh;ar, Goth. izwara, izwar, and E. you. √189. See You.].
The form of the possessive case of the personal pronoun you. [1913 Webster]
" 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. [1913 Webster]
OXFORD DICTIONARY
Your, poss.pron. (attrib.)
1 of or belonging to you or yourself or yourselves (your house; your own business).
2 colloq. usu. derog. much talked of; well known (none so fallible as your self-styled expert).
1 of or belonging to you or yourself or yourselves (your house; your own business).
2 colloq. usu. derog. much talked of; well known (none so fallible as your self-styled expert).
Etymology
OE eower genit. of ge YE(1)
For further exploring for "Your" in Webster Dictionary Online
