"μάτην" meaning in Ancient Greek

{
  "etymology_text": "From μάτη (mátē, “folly, fault”).",
  "forms": [
    {
      "form": "μᾰ́την",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "mátēn",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "μᾰ́την"
      },
      "expansion": "μᾰ́την • (mátēn)",
      "name": "grc-adverb"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "in vain, fruitlessly"
      ],
      "id": "en-μάτην-grc-adv-5nlfNnIt",
      "links": [
        [
          "in vain",
          "in vain"
        ],
        [
          "fruitlessly",
          "fruitlessly"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "23 59 19",
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "24 50 25",
          "kind": "other",
          "name": "Ancient Greek terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "at random, without reason"
      ],
      "id": "en-μάτην-grc-adv-QD4mfMNH",
      "links": [
        [
          "at random",
          "at random"
        ],
        [
          "reason",
          "reason"
        ]
      ]
    },
    {
      "glosses": [
        "idly, falsely"
      ],
      "id": "en-μάτην-grc-adv-1ymaOKKz",
      "links": [
        [
          "idly",
          "idly"
        ],
        [
          "falsely",
          "falsely"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/má.tɛːn/"
    },
    {
      "ipa": "/ˈma.tin/"
    },
    {
      "ipa": "/ˈma.tin/"
    },
    {
      "ipa": "/má.tɛːn/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/ˈma.te̝n/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ˈma.tin/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ˈma.tin/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ˈma.tin/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0 0",
      "roman": "mátān",
      "tags": [
        "Doric"
      ],
      "word": "μᾰ́τᾱν"
    }
  ],
  "word": "μάτην"
}

{
  "categories": [
    "Ancient Greek 2-syllable words",
    "Ancient Greek adverbs",
    "Ancient Greek entries with incorrect language header",
    "Ancient Greek lemmas",
    "Ancient Greek paroxytone terms",
    "Ancient Greek terms with IPA pronunciation",
    "Ancient Greek terms with redundant script codes"
  ],
  "etymology_text": "From μάτη (mátē, “folly, fault”).",
  "forms": [
    {
      "form": "μᾰ́την",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "mátēn",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "μᾰ́την"
      },
      "expansion": "μᾰ́την • (mátēn)",
      "name": "grc-adverb"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "in vain, fruitlessly"
      ],
      "links": [
        [
          "in vain",
          "in vain"
        ],
        [
          "fruitlessly",
          "fruitlessly"
        ]
      ]
    },
    {
      "glosses": [
        "at random, without reason"
      ],
      "links": [
        [
          "at random",
          "at random"
        ],
        [
          "reason",
          "reason"
        ]
      ]
    },
    {
      "glosses": [
        "idly, falsely"
      ],
      "links": [
        [
          "idly",
          "idly"
        ],
        [
          "falsely",
          "falsely"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/má.tɛːn/"
    },
    {
      "ipa": "/ˈma.tin/"
    },
    {
      "ipa": "/ˈma.tin/"
    },
    {
      "ipa": "/má.tɛːn/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/ˈma.te̝n/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ˈma.tin/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ˈma.tin/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ˈma.tin/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "synonyms": [
    {
      "roman": "mátān",
      "tags": [
        "Doric"
      ],
      "word": "μᾰ́τᾱν"
    }
  ],
  "word": "μάτην"
}