c.1300, from O.Fr. exillier, from L.L. exilare, from L. exilium "banishment," from exul "banished person," from ex- "away" + PIE root *al- "to wander" (cf. Gk. alasthai "I wander"). The noun is also c.1300. Derived in ancient times by folk etymology from L. solum "soil." Related: Exiled; exiling