1Skilled in a language or languages; (also occasionally) versed in the language of a particular discipline.
2Having or speaking a language; (also) expressed in language of a particular kind. Chiefly with modifying word, as "new-languaged", "poorly languaged", etc.
3Expressed in language, worded.
Late Middle English; earliest use found in Robert Mannyng (d. c1338), poet and historian. From language + -ed.