What does 研ぐ mean?
研ぐ is a Japanese verb meaning “to sharpen, to grind, to polish” in English. It can also be translated as “to wash (rice), to scour” depending on context. It is written as 研ぐ in kanji, とぐ in hiragana, and togu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
彼女はいつも人に対してやいばをといでいます。
She always has some axe to grind.