"jai̯" meaning in Polabian

{
  "etymology_templates": [
    {
      "args": {
        "1": "pox",
        "2": "gml",
        "3": "jī"
      },
      "expansion": "Borrowed from Middle Low German jī",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Middle Low German jī.",
  "head_templates": [
    {
      "args": {
        "1": "pox",
        "2": "pronoun"
      },
      "expansion": "jai̯",
      "name": "head"
    }
  ],
  "lang": "Polabian",
  "lang_code": "pox",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polabian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Polabian pronouns",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "plural second person pronoun; you"
      ],
      "id": "en-jai̯-pox-pron-Z-o2thdm",
      "links": [
        [
          "you",
          "you"
        ]
      ]
    }
  ],
  "word": "jai̯"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pox",
        "2": "gml",
        "3": "jī"
      },
      "expansion": "Borrowed from Middle Low German jī",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Middle Low German jī.",
  "head_templates": [
    {
      "args": {
        "1": "pox",
        "2": "pronoun"
      },
      "expansion": "jai̯",
      "name": "head"
    }
  ],
  "lang": "Polabian",
  "lang_code": "pox",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Polabian entries with incorrect language header",
        "Polabian lemmas",
        "Polabian pronouns",
        "Polabian terms borrowed from Middle Low German",
        "Polabian terms derived from Middle Low German"
      ],
      "glosses": [
        "plural second person pronoun; you"
      ],
      "links": [
        [
          "you",
          "you"
        ]
      ]
    }
  ],
  "word": "jai̯"
}