いし
石
　
に
くちすす
漱
　
ぎ
なが
流
　
れ
　
に
まくら
枕
　
す

expression, す verb - precursor to the modern する

Idiomatic expression.
  1. to refuse stubbornly to admit one is wrong, to rinse one's mouth with a rock and rest one's head in a river.

Variations

Pronunciation Kanji Kana Is Common
いし
石
　
に
くちすす
漱
　
ぎ
なが
流
　
れ
　
に
まくら
枕
　
す
 石に漱ぎ流れに枕す いしにくちすすぎながれにまくらす

Contained Kanji Breakdown

stone
いし　セキ　シャク (1st, N3)
left hand, cliff(厂) variant
mouth
くち　コウ　ク (1st, N4)
gargle, rinse mouth
ソウ　シュウ　ス (Kentei 1, N1)
water, water radical (no. 85)
さんずい
bundle, sheaf, ream
ソク　たば　つか (4th, N3)
tree, wood
き　モク　こ- (1st, N5)
mouth
くち　コウ　ク (1st, N4)
lack, gap, fail
ケツ　か.ける　ケン (4th, N3)
knife, wrapping enclosure(勹) variant
person
ひと　ニン　ジン (1st, N5)
current, a sink, flow
リュウ　なが.れる　ながれ (3rd, N3)
water, water radical (no. 85)
さんずい
a cup with pendants, a pennant, wild
inverted child
kettle lid radical (no. 8)
トウ (Kentei 1)
I, myself, katakana mu radical (no. 28)
シ　ボウ　ム (Kentei 1)
stream, river, river or three-stroke river radical (no. 47)
かわ　セン　か (1st, N5)
pillow
まくら　チン　シン (11th)
tree, wood
き　モク　こ- (1st, N5)
to move on, doubtful
イン　ユ　おこた.る
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
legs radical (no. 10)
ジン　ニン　がい (Kentei 1)