"αεί-" meaning in Greek

{
  "forms": [
    {
      "form": "aeí-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "αεί- • (aeí-)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "αεί- • (aeí-)",
      "name": "el-prefix"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "αεί- (aeí-) + κινητός (kinitós, “moving”) → αεικίνητο (aeikínito, “perpetual motion”)",
          "type": "example"
        }
      ],
      "glosses": [
        "ever-"
      ],
      "id": "en-αεί--el-prefix-83acGNlD",
      "links": [
        [
          "ever",
          "ever"
        ]
      ],
      "related": [
        {
          "english": "forever",
          "roman": "aeí",
          "word": "αεί"
        },
        {
          "english": "perpetual",
          "roman": "aénaos",
          "word": "αέναος"
        }
      ],
      "synonyms": [
        {
          "roman": "aei-",
          "word": "αει-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "αεί-"
}

{
  "forms": [
    {
      "form": "aeí-",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "αεί- • (aeí-)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "αεί- • (aeí-)",
      "name": "el-prefix"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "prefix",
  "related": [
    {
      "english": "forever",
      "roman": "aeí",
      "word": "αεί"
    },
    {
      "english": "perpetual",
      "roman": "aénaos",
      "word": "αέναος"
    }
  ],
  "senses": [
    {
      "categories": [
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek prefixes"
      ],
      "examples": [
        {
          "text": "αεί- (aeí-) + κινητός (kinitós, “moving”) → αεικίνητο (aeikínito, “perpetual motion”)",
          "type": "example"
        }
      ],
      "glosses": [
        "ever-"
      ],
      "links": [
        [
          "ever",
          "ever"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "aei-",
      "word": "αει-"
    }
  ],
  "word": "αεί-"
}