c. 1340. Cursor M., 16623 (Trin.). Siþen in his honde þei sett: a muchel greet rede And to him pleiden a bobet: & bad him say in dede Whiche of hem ȝaf þe stroke.
c. 1440. Promp. Parv., 41. Bobet, collafa, collafus.
1530. Palsgr., 199/1. Bobet on the heed, covp de poing.