-a

IPA(Pronunciation)

/ə/

morpheme

Added for metrical reasons to songs, poetry and verse, or as an empty filler syllable to other speech.

Japanese Meaning

詩や韻文のリズムを整えるために挿入される、意味を持たない補助的な音節や接尾辞

The lyricist added -a to the end of the line as an empty filler syllable to preserve the meter.

作詞家は拍を保つために、最後の行の語尾に拍律のために付けられる埋め草の音節を加えた。

Sense（1）

Added for metrical reasons to songs, poetry and verse, or as an empty filler syllable to other speech.

A merry heart goes all the day

Your sad tires in a mile-a