persedulus Save DMLBS persedulus [CL per-+sedulus] , very diligent, zealous. b (abl. sg. as adv.) very diligently, zealously. sedulus ‥ componitur ~us et quamsedulus Osb. Glouc. Deriv. 553. b stili calamo stridulo / caraxante persedulo (Æthelwald) Carm. Aldh. 2. 10.