What is the meaning of や?

The hiragana syllable や (ya). Its equivalent in katakana is ヤ (ya). It is the thirty-sixth syllable in the gojūon order; its position is や行あ段 (ya-gyō a-dan, “row ya, section a”).

and/or

upon

sentence-ending exclamatory particle

to be

alternative form of いや (iya)

spoke

topic marker

Source: wiktionary.org