1611, The Bible, King James (Authorised) Version, (first & last usages),Job 8:6 "If thou wert pure and upright; surely now he would awake for thee, ..."Revelation 3:15 "I know thy works, that thou art neither cold nor hot: I would thou wert cold or hot."
1820, Percy Bysshe Shelley, To A Skylark, (first two lines of ode),"Hail to thee, blithe Spirit! Bird thou never wert, ..."
Synonyms
second-person singular, modernwere (used with "you")