hive something off to something

Từ điển Oxford Advanced Learner 8th

ˌhive sthˈoff (to/into sth) derived
often passive (especially BrE)to separate one part of a group from the rest; to sell part of a business
•The IT department is being hived off into a new company.
•The company decided to hive off some of its less profitable concerns.
Main entry: ↑hive_derived