"man-hour" meaning in English

{
  "etymology_text": ": man-hour < man + hour",
  "forms": [
    {
      "form": "man-hour"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "text": "1 million man-hours were lost due to the strikes in a single month.",
          "translation": "Από τις απεργίες χάθηκαν 1 εκατομμύριο ώρες εργασίας σ' ένα μονάχα μήνα!"
        }
      ],
      "glosses": [
        "η ώρα εργασίας"
      ],
      "id": "el-man-hour-en-noun-CKHXx84O"
    }
  ],
  "word": "man-hour"
}

{
  "etymology_text": ": man-hour < man + hour",
  "forms": [
    {
      "form": "man-hour"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "text": "1 million man-hours were lost due to the strikes in a single month.",
          "translation": "Από τις απεργίες χάθηκαν 1 εκατομμύριο ώρες εργασίας σ' ένα μονάχα μήνα!"
        }
      ],
      "glosses": [
        "η ώρα εργασίας"
      ]
    }
  ],
  "word": "man-hour"
}