"hai̯" meaning in Polabian

{
  "etymology_templates": [
    {
      "args": {
        "1": "pox",
        "2": "gml",
        "3": "hoi"
      },
      "expansion": "Borrowed from Middle Low German hoi",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Middle Low German hoi.",
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "hai̯ m inan",
      "name": "pox-noun"
    }
  ],
  "lang": "Polabian",
  "lang_code": "pox",
  "pos": "noun",
  "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"
        }
      ],
      "glosses": [
        "hay"
      ],
      "id": "en-hai̯-pox-noun-TjDqJc2h",
      "links": [
        [
          "hay",
          "hay"
        ]
      ],
      "synonyms": [
        {
          "word": "śonü"
        }
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "word": "hai̯"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "pox",
        "2": "gml",
        "3": "hoi"
      },
      "expansion": "Borrowed from Middle Low German hoi",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from Middle Low German hoi.",
  "head_templates": [
    {
      "args": {
        "1": "m-in"
      },
      "expansion": "hai̯ m inan",
      "name": "pox-noun"
    }
  ],
  "lang": "Polabian",
  "lang_code": "pox",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Polabian entries with incorrect language header",
        "Polabian inanimate nouns",
        "Polabian lemmas",
        "Polabian masculine nouns",
        "Polabian nouns",
        "Polabian terms borrowed from Middle Low German",
        "Polabian terms derived from Middle Low German"
      ],
      "glosses": [
        "hay"
      ],
      "links": [
        [
          "hay",
          "hay"
        ]
      ],
      "synonyms": [
        {
          "word": "śonü"
        }
      ],
      "tags": [
        "inanimate",
        "masculine"
      ]
    }
  ],
  "word": "hai̯"
}