あふ
afuredasu

Godan Verb (su)

1. to begin to overflow; to start overflowing; to pour out

みちという みち がわから あふれだした みず おうわれていた。
michito iu michiwa kawakara afuredashita mizude ōwarete ita.
Anything like a road was covered with water that had flooded out of the river.
Other forms: