"syłać" meaning in Old Polish

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "syłać"
          },
          "expansion": "Polish: syłać",
          "name": "desc"
        }
      ],
      "text": "Polish: syłać"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "słać",
        "3": "-ać"
      },
      "expansion": "słać + -ać",
      "name": "af"
    },
    {
      "args": {
        "1": "1456"
      },
      "expansion": "1456",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "1456"
      },
      "expansion": "First attested in 1456",
      "name": "etydate"
    }
  ],
  "etymology_text": "From słać + -ać. First attested in 1456.",
  "head_templates": [
    {
      "args": {
        "1": "impf"
      },
      "expansion": "syłać impf",
      "name": "zlw-opl-verb"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Masovia Old Polish",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Polish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old Polish terms suffixed with -ać",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "tags": [
            "imperfective"
          ],
          "word": "obsyłać"
        },
        {
          "tags": [
            "imperfective"
          ],
          "word": "posyłać"
        },
        {
          "tags": [
            "perfective"
          ],
          "word": "przysyłać"
        }
      ],
      "form_of": [
        {
          "word": "słać"
        }
      ],
      "glosses": [
        "frequentative of słać"
      ],
      "id": "en-syłać-zlw-opl-verb-vo7Uze3p",
      "links": [
        [
          "słać",
          "słać#Old Polish"
        ]
      ],
      "qualifier": "attested in Masovia",
      "raw_glosses": [
        "(attested in Masovia) frequentative of słać"
      ],
      "tags": [
        "form-of",
        "frequentative",
        "imperfective"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɨɫat͡ɕ/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/sɨɫat͡ɕ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "syłać"
}

{
  "derived": [
    {
      "tags": [
        "imperfective"
      ],
      "word": "obsyłać"
    },
    {
      "tags": [
        "imperfective"
      ],
      "word": "posyłać"
    },
    {
      "tags": [
        "perfective"
      ],
      "word": "przysyłać"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "syłać"
          },
          "expansion": "Polish: syłać",
          "name": "desc"
        }
      ],
      "text": "Polish: syłać"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "zlw-opl",
        "2": "słać",
        "3": "-ać"
      },
      "expansion": "słać + -ać",
      "name": "af"
    },
    {
      "args": {
        "1": "1456"
      },
      "expansion": "1456",
      "name": "etydate/the"
    },
    {
      "args": {
        "1": "1456"
      },
      "expansion": "First attested in 1456",
      "name": "etydate"
    }
  ],
  "etymology_text": "From słać + -ać. First attested in 1456.",
  "head_templates": [
    {
      "args": {
        "1": "impf"
      },
      "expansion": "syłać impf",
      "name": "zlw-opl-verb"
    }
  ],
  "lang": "Old Polish",
  "lang_code": "zlw-opl",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Masovia Old Polish",
        "Old Polish entries with incorrect language header",
        "Old Polish frequentative verbs",
        "Old Polish imperfective verbs",
        "Old Polish lemmas",
        "Old Polish terms suffixed with -ać",
        "Old Polish terms with IPA pronunciation",
        "Old Polish verbs",
        "Pages with 2 entries"
      ],
      "form_of": [
        {
          "word": "słać"
        }
      ],
      "glosses": [
        "frequentative of słać"
      ],
      "links": [
        [
          "słać",
          "słać#Old Polish"
        ]
      ],
      "qualifier": "attested in Masovia",
      "raw_glosses": [
        "(attested in Masovia) frequentative of słać"
      ],
      "tags": [
        "form-of",
        "frequentative",
        "imperfective"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sɨɫat͡ɕ/",
      "note": "10ᵗʰ–15ᵗʰ CE"
    },
    {
      "ipa": "/sɨɫat͡ɕ/",
      "note": "15ᵗʰ CE"
    }
  ],
  "word": "syłać"
}