to assign or move (somebody or something) to an inferior or insignificant place or status
He relegated his old clothes to a box in the garage
Brit to demote (a team) to a lower division of a sporting competition, e.g. a football league: compare promote
relegation /-ʹgaysh(ə)n/ noun
[Latin relegatus, past part. of relegare, from re- + legare: see legate]