1letter(?) (ostensibly in error for mu, twelfth letter of the Greek alphabet (?, ?)):
(
1356-57;
MS: s.xivex
)
Si vous voilez savoir de lour A B C quelles letttres ils ount, ici les poez veer ovesqes les nouns qe ils les appellent: alpha, betha, gama, delta, ebrevis, elonge, epilmon, zetha, hetha
(l. [t]hetha), iota, kapda, lapda, or, ni, exi, obrevis, pi, cophe, ro, summa, thau, vi, fy, chi, psi, othomega, diacosin
112
or3 (1356-57)