"jira" meaning in Tumbuka

{
  "etymology_text": "It is interesting that the stem resembles *-jíjɪba (“to know - found in zone N like Chichewa's -dziŵa (“to know”)”), but the meaning is the opposite.",
  "forms": [
    {
      "form": "-jira",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "tum",
        "2": "adjective",
        "head": "-jira"
      },
      "expansion": "-jira",
      "name": "head"
    }
  ],
  "lang": "Tumbuka",
  "lang_code": "tum",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tumbuka entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "ignorant person",
          "word": "mujira"
        },
        {
          "english": "ignorance",
          "word": "ujira"
        }
      ],
      "glosses": [
        "ignorant"
      ],
      "id": "en-jira-tum-adj-MZKgtN2~",
      "links": [
        [
          "ignorant",
          "ignorant"
        ]
      ]
    }
  ],
  "word": "jira"
}

{
  "derived": [
    {
      "english": "ignorant person",
      "word": "mujira"
    },
    {
      "english": "ignorance",
      "word": "ujira"
    }
  ],
  "etymology_text": "It is interesting that the stem resembles *-jíjɪba (“to know - found in zone N like Chichewa's -dziŵa (“to know”)”), but the meaning is the opposite.",
  "forms": [
    {
      "form": "-jira",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "tum",
        "2": "adjective",
        "head": "-jira"
      },
      "expansion": "-jira",
      "name": "head"
    }
  ],
  "lang": "Tumbuka",
  "lang_code": "tum",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Pages with 7 entries",
        "Pages with entries",
        "Tumbuka adjectives",
        "Tumbuka entries with incorrect language header",
        "Tumbuka lemmas"
      ],
      "glosses": [
        "ignorant"
      ],
      "links": [
        [
          "ignorant",
          "ignorant"
        ]
      ]
    }
  ],
  "word": "jira"
}