What does 効き目 mean?
効き目 is a Japanese noun meaning “effect”, “virtue” or “efficacy” in English. It can also be translated as “one's dominant eye” depending on context. It is written as 効き目 in kanji, ききめ in hiragana, and kikime in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
その薬の効きめが現れた。
The medicine took effect.