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研
と
ぎ
石
いし
Meanings
Noun
1. knife sharpener; whetstone
Kanji used
研
refine
石
stone
Pitch accent
⚠
と
ぎいし
Used in: 5
Composed of
研
と
ぎ
polish; grinding; sharpening
石
いし
stone; jewel; precious stone; flint (in a lighter); stone (in go); stone (in the bladder, kidney etc.); calculus