tunicle

noun

tu·​ni·​cle ˈtü-ni-kəl 

ˈtyü-

: a short vestment worn by a subdeacon over the alb during mass and by a bishop under the dalmatic at pontifical ceremonies

Word History

Etymology

Middle English, from Anglo-French tonicle, Latin tunicula, diminutive of tunica

First Known Use

14th century, in the meaning defined above