adverb
Colloquial abbreviation of 早く, used mainly in casual speech, especially in Kansai dialect. Functions as an adverb.
はよ行かんと遅れるで。
We'll be late if we don't go quickly.
はよ宿題を終わらせなあかん。
I have to finish my homework early.
noun
early morning; early hour
Noun use meaning early morning or early part of the day; less common than the adverbial sense and often replaced by 早朝 or 朝早く.
はよから並んでチケットを買うた。
I lined up from early morning to buy tickets.