consuetude

noun

con·​sue·​tude ˈkän(t)-swi-ˌtüd 

kən-ˈsü-ə-,

-ˌtyüd

: social usage : custom

consuetudinary

ˌkän(t)-swi-ˈtü-də-ˌner-ē 

kən-ˌsü-ə-

-ˈtyü-

adjective

Word History

Etymology

Middle English, from Latin consuetudo — more at custom

First Known Use

14th century, in the meaning defined above