Meaning of 禊萩溝 in Japanese

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Definition of 禊萩溝

こう(kou) 【溝】

(n) 10^32; hundred nonillion (American); (obs) hundred quintillion (British)
彼はその浅い溝を飛び越えた。
He leaped over the shallow ditch.

はぎ(hagi) · ハギ(hagi) 【萩 ·芽子】

(n) bush clover; Japanese clover (any flowering plant of genus Lespedeza)
dark red exterior with blue interior (color combination worn in autumn) →Related words: 襲の色目

みそぎ(misogi) 【禊 ·身滌】

(n, vs) purification ceremony
自民党はみそぎが必要ですね。
The LDP needs a spiritual cleansing.

みぞ(mizo) · どぶ(dobu) 【溝】