recluse (n.) Look up recluse at Dictionary.com
c. 1200, "person shut up from the world for purposes of religious meditation," from Old French reclus (fem. recluse) "hermit, recluse," also "confinement, prison; convent, monastery," noun use of reclus (adj.) "shut up," from Late Latin reclusus, past participle of recludere "to shut up, enclose" (but in classical Latin "to throw open"), from Latin re-, intensive prefix, + claudere "to shut" (see close (v.)).