"tija" meaning in Swahili

{
  "etymology_templates": [
    {
      "args": {
        "1": "sw",
        "2": "ar"
      },
      "expansion": "Borrowed from Arabic [Term?]",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Arabic [Term?].",
  "forms": [
    {
      "form": "tija class IX",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "tija class X",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "n"
      },
      "expansion": "tija class IX (plural tija class X)",
      "name": "sw-noun"
    }
  ],
  "lang": "Swahili",
  "lang_code": "sw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Swahili entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "productivity"
      ],
      "id": "en-tija-sw-noun-vRsWAE0i",
      "links": [
        [
          "productivity",
          "productivity"
        ]
      ]
    }
  ],
  "word": "tija"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "sw",
        "2": "ar"
      },
      "expansion": "Borrowed from Arabic [Term?]",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Arabic [Term?].",
  "forms": [
    {
      "form": "tija class IX",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "tija class X",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "n"
      },
      "expansion": "tija class IX (plural tija class X)",
      "name": "sw-noun"
    }
  ],
  "lang": "Swahili",
  "lang_code": "sw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Arabic term requests",
        "Pages with 3 entries",
        "Pages with entries",
        "Swahili class IX nouns",
        "Swahili entries with incorrect language header",
        "Swahili lemmas",
        "Swahili nouns",
        "Swahili terms borrowed from Arabic",
        "Swahili terms derived from Arabic"
      ],
      "glosses": [
        "productivity"
      ],
      "links": [
        [
          "productivity",
          "productivity"
        ]
      ]
    }
  ],
  "word": "tija"
}