Lewis & Short

† părangărĭus, a, um, adj., = παράἀγγαρεία,

  1. I. that is done besides the service to which one is bound: praestatio, Cod. Just, 1, 3, 2.
  2. II. Subst.: părangărĭa, ae, f., a service over and above that which one is bound to render, extra service, Cod. Just. 12, tit. 51; Cod. Th. 8, tit. 5.