Here's the first sentence from the song Reincarnation from Kenji Kawai, part of the OST of Ghost in the Shell (https://www.youtube.com/watch?v=z64HCi2rQkE)
A ga maeba, kuwashime yoinikeri
and in (old) hiragana:
and (poorly) means
Because I had danced, the beautiful lady was enchanted
I understand this is old Japanese, but I have no idea what is grammar behind that, especially:
- 舞へば: what is this "へ"? an old verb form ? (I guess the "ば" is the same as in modern Japanese, e.g. "踊れば")
- 酔ひにけり: is that "酔ひ" ("酔い"?) + "に" + "けり". What does that mean ?
Would someone give me some tracks to understand this grammar ? (I am fluent in modern Japanese) How old is this Japanese ?