σῷ [8 verses](adj sg neut dat) "Thine" is sos, which means "thy," "thine" "of thee," or "to thee."  -  (CW) This is not the common second-person possessive pronoun, but a special pronoun used to describe things that are owned. It matches the form of the word modified. It might be better translated as "your own." CW --Confusing Word -- The "your" does not capture the word's specific meaning.