What does 疲労 mean?
疲労 is a Japanese noun meaning “fatigue, weariness” in English. It can also be translated as “fatigue (of metal, etc.)” depending on context. It is written as 疲労 in kanji, ひろう in hiragana, and hirou in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
疲労が彼の健康をむしばんでいる。
Fatigue is undermining his health.