1dialect A mixture of various kinds of grain, especially rye mixed with wheat; bread made from this.
2dialect, figurative A mixture, a medley; a muddle, a mess.
Mixed, mingled; muddled, confused.
Late Middle English; earliest use found in Robert Mannyng (d. c1338), poet and historian. From Anglo-Norman mestilun, mestilon, mestillon and Middle French mesteillon, mestellon, mestillon, meteillon from post-classical Latin mistilion-, mistilio (also mixtilio, mastillio), variant of mistilium from classical Latin mixtus, mistus, probably via an adjective in -ilis.