Japanese edit

For pronunciation and definitions of えいしょう – see the following entries.
詠唱
[noun] a chant, a song
[noun] an aria
[verb] to sing, to chant
永承
[proper noun] the Eishō era, 1046–1053
永正
[proper noun] the Eishō era, 1504–1521
(This term, えいしょう, is the hiragana spelling of the above terms.)