@yuril @mario @kojinmanus YuriL is right, "かはたそ" is the original Japanese word order. However, few Japanese know this word.
In Japanese, the time of day was subdivided in detail in the old days. In English, 朝 is morning, but in old Japanese, it is divided into the following phrases.
あかつき
しののめ
あけぼの
あさぼらけ
あした
The Sunrise is just around dawn. This has something to do with Japanese culture.