"luni-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "lūna"
      },
      "expansion": "Latin lūna",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin lūna + -i-.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "luni-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "luni-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English 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"
        }
      ],
      "derived": [
        {
          "word": "luniform"
        },
        {
          "word": "lunisolar"
        },
        {
          "word": "lunistice"
        },
        {
          "word": "lunitidal"
        }
      ],
      "glosses": [
        "moon"
      ],
      "id": "en-luni--en-prefix-nni0PqAO",
      "links": [
        [
          "moon",
          "moon"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "luni-"
}

{
  "derived": [
    {
      "word": "luniform"
    },
    {
      "word": "lunisolar"
    },
    {
      "word": "lunistice"
    },
    {
      "word": "lunitidal"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "lūna"
      },
      "expansion": "Latin lūna",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin lūna + -i-.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "luni-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "luni-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms derived from Latin",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "moon"
      ],
      "links": [
        [
          "moon",
          "moon"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "luni-"
}