Hayai means 'quick' or 'fast' in Japanese.
"Hya" is only a sound effect and doesn't have any particular meaning in Japanese.
hayai
hayai
Ichiban hayai
hayai kage
hayakuHayaku "Hurry"Hayai "Fast"
hayai fast or hayaku be quick
hayai for fast not the bird, i think it is amatsubame
hayai for fast not the bird, i think it is tsubame
早い水 Hayai mizu
Hayai-Kage means swift shadow in Japanese ^-^
You may say 'hayai,' written: 早い
早い、早く (hayai, hayaku) = early, or quickly