"κατά καιρούς" meaning in Greek

{
  "forms": [
    {
      "form": "katá kairoús",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "prepositional phrase",
        "head": "κατά καιρούς"
      },
      "expansion": "κατά καιρούς • (katá kairoús)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "at times, every now and then, every so often, from time to time"
      ],
      "id": "en-κατά_καιρούς-el-prep_phrase-mO017b-z",
      "links": [
        [
          "at times",
          "at times"
        ],
        [
          "every now and then",
          "every now and then"
        ],
        [
          "every so often",
          "every so often"
        ],
        [
          "from time to time",
          "from time to time"
        ]
      ],
      "synonyms": [
        {
          "word": "από καιρού εις καιρόν"
        },
        {
          "word": "από καιρό σε καιρό"
        },
        {
          "word": "κάπου κάπου"
        },
        {
          "word": "πού και πού"
        },
        {
          "word": "πότε πότε"
        }
      ]
    }
  ],
  "word": "κατά καιρούς"
}

{
  "forms": [
    {
      "form": "katá kairoús",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "prepositional phrase",
        "head": "κατά καιρούς"
      },
      "expansion": "κατά καιρούς • (katá kairoús)",
      "name": "head"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek multiword terms",
        "Greek prepositional phrases",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "at times, every now and then, every so often, from time to time"
      ],
      "links": [
        [
          "at times",
          "at times"
        ],
        [
          "every now and then",
          "every now and then"
        ],
        [
          "every so often",
          "every so often"
        ],
        [
          "from time to time",
          "from time to time"
        ]
      ],
      "synonyms": [
        {
          "word": "από καιρού εις καιρόν"
        },
        {
          "word": "από καιρό σε καιρό"
        },
        {
          "word": "κάπου κάπου"
        },
        {
          "word": "πού και πού"
        },
        {
          "word": "πότε πότε"
        }
      ]
    }
  ],
  "word": "κατά καιρούς"
}