"προπληρώνω" meaning in Greek

{
  "forms": [
    {
      "form": "propliróno",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "προπλήρωσα",
      "tags": [
        "past"
      ]
    },
    {
      "form": "προπληρώνομαι",
      "tags": [
        "passive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "verbs",
        "head": "",
        "sort": ""
      },
      "expansion": "προπληρώνω • (propliróno)",
      "name": "head"
    },
    {
      "args": {
        "passive": "προπληρώνομαι",
        "past": "προπλήρωσα"
      },
      "expansion": "προπληρώνω • (propliróno) (past προπλήρωσα, passive προπληρώνομαι)",
      "name": "el-verb"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "to prepay"
      ],
      "id": "en-προπληρώνω-el-verb-XRmm-Mb-",
      "links": [
        [
          "prepay",
          "prepay"
        ]
      ],
      "related": [
        {
          "english": "prepaid",
          "roman": "propliroménos",
          "word": "προπληρωμένος"
        },
        {
          "english": "advance payment, prepayment",
          "roman": "propliromí",
          "tags": [
            "feminine"
          ],
          "word": "προπληρωμή"
        },
        {
          "english": "payable in advance",
          "roman": "proplirotéos",
          "tags": [
            "adjective"
          ],
          "word": "προπληρωτέος"
        },
        {
          "roman": "proplirotís",
          "word": "προπληρωτής"
        }
      ]
    }
  ],
  "word": "προπληρώνω"
}

{
  "forms": [
    {
      "form": "propliróno",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "προπλήρωσα",
      "tags": [
        "past"
      ]
    },
    {
      "form": "προπληρώνομαι",
      "tags": [
        "passive"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "el",
        "2": "verbs",
        "head": "",
        "sort": ""
      },
      "expansion": "προπληρώνω • (propliróno)",
      "name": "head"
    },
    {
      "args": {
        "passive": "προπληρώνομαι",
        "past": "προπλήρωσα"
      },
      "expansion": "προπληρώνω • (propliróno) (past προπλήρωσα, passive προπληρώνομαι)",
      "name": "el-verb"
    }
  ],
  "lang": "Greek",
  "lang_code": "el",
  "pos": "verb",
  "related": [
    {
      "english": "prepaid",
      "roman": "propliroménos",
      "word": "προπληρωμένος"
    },
    {
      "english": "advance payment, prepayment",
      "roman": "propliromí",
      "tags": [
        "feminine"
      ],
      "word": "προπληρωμή"
    },
    {
      "english": "payable in advance",
      "roman": "proplirotéos",
      "tags": [
        "adjective"
      ],
      "word": "προπληρωτέος"
    },
    {
      "roman": "proplirotís",
      "word": "προπληρωτής"
    }
  ],
  "senses": [
    {
      "categories": [
        "Greek entries with incorrect language header",
        "Greek lemmas",
        "Greek verbs"
      ],
      "glosses": [
        "to prepay"
      ],
      "links": [
        [
          "prepay",
          "prepay"
        ]
      ]
    }
  ],
  "word": "προπληρώνω"
}