From 早 (haya-) + 足 (ashi).
はやあし • (hayaashi) ←はやあし (fayaasi)?
- quick walking pace, quick steps
2013, 想太 [Sōta, Sohta] (lyrics and music), “いかないで [Ikanaide, Don't Go]”[1]:
- だけどもきみは早足ですっと前を行くから
- dakedo mo kimi wa hayaashi de sutto mae o iku kara
- Even then, since you go straight ahead of me at a quick pace...
- horse trot