"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": "24 73 2",
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "24 75 1",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "25 74 1",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "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",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "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"
}