seurte

'Would that I had known who it was whom you were laying down "_en paix et seurte bonne_!"

The Chaplet of Pearls

Garsdale whiche cometh now hoom be oure leve, and also Lentwardyn com afore you, and that ye take seurte soufficeant of bothe the partiees, that neither of hem shal make ferther poursuyt of appelle at courte of Rome ner no manere of poursuyt there or elleswhere as touching the said contraversee unto oure comynge as before, at whiche tyme oure entent ys to put the same contraversie to

Henry of Monmouth, Volume 2 Memoirs of Henry the Fifth