setsumei suru jikan ga oshiithere is little time to explain(literally, “time for explaining is precious”)

dattara ii nā…If only it was so...

【Anchinhō】Shingonshū daihō no hitotsu, fudōmyōō o matsurite kokka no eian o inoru hō.

uzu no fuchi ari. Kare, Uzugawa to nazuku.There is a deep whirl / eddy pool there. As such, it is called “Uzugawa” (Eddy River).