On-pennian

Secondo il Dizionario dell'Inglese Antico:

on-pennian

to unpen, open:--Ðæt wæter, ðonne hit biþ gepynd, hit miclaþ . . . Ac gif sió pynding wierþ onpennad, ðonne tófléwþ hit eall, Past. 38, 6; Swt. 277, 8. on-pennian