What does "thee" mean?

Thee: To thrive; to prosper. [Obs.] "He shall never thee." Chaucer. Well mote thee, as well can wish your thought. Spenser.

Additional senses

  1. 2.The objective case of thou. See Thou. Note: Thee is poetically used for thyself, as him for himself, etc. This sword hath ended him; so shall it thee, Unless thou yield thee as my prisoner. Shak.

Sources