attorn
verb
at·torn ə-ˈtərn 
attorned; attorning; attorns
intransitive verb
: to agree to be tenant to a new owner or landlord of the same property
attornment
ə-ˈtərn-mənt
noun 
Word History
Etymology
Middle English attournen, from Anglo-French aturner to prepare, designate, attorn, from a- (from Latin ad-) + turner to turn
First Known Use
15th century, in the meaning defined above
Legal Definition
attorn
intransitive verb
at·torn ə-ˈtərn
: to agree to be the tenant of a new landlord or owner of the same property