tunicle
/ˈtjuːnɪkl/noun
- a short liturgical vestment which is traditionally worn over the alb by a subdeacon at celebrations of the Mass短祭袍（副辅祭做弥撒时穿于白长袍外）。
词源
late Middle English: from Old French tunicle or Latin tunicula, diminutive of tunica （see TUNICA）.