"δυσ-" meaning in Ancient Greek

{
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "ine-pro",
        "3": "*dus-"
      },
      "expansion": "Proto-Indo-European *dus-",
      "name": "inh"
    },
    {
      "args": {
        "1": "gem-pro",
        "2": "*tuz-",
        "3": "",
        "4": "hard, difficult, wrong, bad"
      },
      "expansion": "Proto-Germanic *tuz- (“hard, difficult, wrong, bad”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "tore"
      },
      "expansion": "English tore",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Indo-European *dus-. Cognate to Proto-Germanic *tuz- (“hard, difficult, wrong, bad”) (English tore).",
  "forms": [
    {
      "form": "δῠσ-",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dus-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "prefix",
        "head": "δῠσ-"
      },
      "expansion": "δῠσ- • (dus-)",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "bad, hard, unfortunate"
      ],
      "id": "en-δυσ--grc-prefix-mXZjsxDe",
      "links": [
        [
          "bad",
          "bad"
        ],
        [
          "hard",
          "hard"
        ],
        [
          "unfortunate",
          "unfortunate"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dys/"
    },
    {
      "ipa": "/ðys/"
    },
    {
      "ipa": "/ðis/"
    },
    {
      "ipa": "/dys/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/dys/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ðys/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ðys/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ðis/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "δυσ-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "ine-pro",
        "3": "*dus-"
      },
      "expansion": "Proto-Indo-European *dus-",
      "name": "inh"
    },
    {
      "args": {
        "1": "gem-pro",
        "2": "*tuz-",
        "3": "",
        "4": "hard, difficult, wrong, bad"
      },
      "expansion": "Proto-Germanic *tuz- (“hard, difficult, wrong, bad”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "tore"
      },
      "expansion": "English tore",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Indo-European *dus-. Cognate to Proto-Germanic *tuz- (“hard, difficult, wrong, bad”) (English tore).",
  "forms": [
    {
      "form": "δῠσ-",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dus-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "prefix",
        "head": "δῠσ-"
      },
      "expansion": "δῠσ- • (dus-)",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Ancient Greek 1-syllable words",
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek lemmas",
        "Ancient Greek prefixes",
        "Ancient Greek terms derived from Proto-Indo-European",
        "Ancient Greek terms inherited from Proto-Indo-European",
        "Ancient Greek terms with IPA pronunciation"
      ],
      "glosses": [
        "bad, hard, unfortunate"
      ],
      "links": [
        [
          "bad",
          "bad"
        ],
        [
          "hard",
          "hard"
        ],
        [
          "unfortunate",
          "unfortunate"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dys/"
    },
    {
      "ipa": "/ðys/"
    },
    {
      "ipa": "/ðis/"
    },
    {
      "ipa": "/dys/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/dys/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/ðys/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/ðys/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/ðis/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "δυσ-"
}