origin of, [48], [120];

pronunciation of, [49], [50];

quantity of, [47], [125];

quantity of, before a vowel, [125];

ei in inscriptions to denote ī, [29, 2].

Diphthong, [95-101];

change of au, [97];

change of ou, [100];

change of eu, [101];

change of ai, ae, [96];