"You canker blossom!" 3 Shakespearean Insults
mid-15c., "so as to exclude," from Medieval Latin exclusivus, from exclus-, past participle stem of excludere (see exclude).
Of monopolies, rights, franchises, etc., from 1760s; of social circles, clubs, etc., "unwilling to admit outsiders," from 1822. Related: Exclusively; exclusiveness.