"uss" meaning in Manx

{
  "etymology_templates": [
    {
      "args": {
        "1": "gv",
        "2": "mga"
      },
      "expansion": "Middle Irish [Term?]",
      "name": "inh"
    },
    {
      "args": {
        "1": "gv",
        "2": "sga",
        "3": "tussu"
      },
      "expansion": "Old Irish tussu",
      "name": "inh"
    }
  ],
  "etymology_text": "From a Middle Irish [Term?] lenited form of Old Irish tussu.",
  "head_templates": [
    {
      "args": {
        "1": "gv",
        "2": "pronoun"
      },
      "expansion": "uss",
      "name": "head"
    }
  ],
  "lang": "Manx",
  "lang_code": "gv",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Manx entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Manx pronouns",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Second person singular informal emphatic personal pronoun; you"
      ],
      "id": "en-uss-gv-pron-GCrm2iDZ",
      "links": [
        [
          "you",
          "you"
        ]
      ],
      "related": [
        {
          "tags": [
            "unemphatic"
          ],
          "word": "oo"
        }
      ]
    }
  ],
  "word": "uss"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "gv",
        "2": "mga"
      },
      "expansion": "Middle Irish [Term?]",
      "name": "inh"
    },
    {
      "args": {
        "1": "gv",
        "2": "sga",
        "3": "tussu"
      },
      "expansion": "Old Irish tussu",
      "name": "inh"
    }
  ],
  "etymology_text": "From a Middle Irish [Term?] lenited form of Old Irish tussu.",
  "head_templates": [
    {
      "args": {
        "1": "gv",
        "2": "pronoun"
      },
      "expansion": "uss",
      "name": "head"
    }
  ],
  "lang": "Manx",
  "lang_code": "gv",
  "pos": "pron",
  "related": [
    {
      "tags": [
        "unemphatic"
      ],
      "word": "oo"
    }
  ],
  "senses": [
    {
      "categories": [
        "Manx entries with incorrect language header",
        "Manx lemmas",
        "Manx pronouns",
        "Manx terms derived from Middle Irish",
        "Manx terms derived from Old Irish",
        "Manx terms inherited from Middle Irish",
        "Manx terms inherited from Old Irish",
        "Middle Irish term requests"
      ],
      "glosses": [
        "Second person singular informal emphatic personal pronoun; you"
      ],
      "links": [
        [
          "you",
          "you"
        ]
      ]
    }
  ],
  "word": "uss"
}