"y-" meaning in Navajo

{
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "prefix"
      },
      "expansion": "y-",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "prefix",
  "related": [
    {
      "_dis1": "0 0",
      "word": "yi-"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A marker for the third person object"
      ],
      "id": "en-y--nv-prefix-AqqqtHn6",
      "links": [
        [
          "third person",
          "third person#English"
        ],
        [
          "object",
          "object#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Navajo links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Navajo links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "_dis": "10 12 6 3 1 6 1 14 1 1 2 2 6 5 7 8 1 1 6 6 2",
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "7 9 4 3 1 7 1 17 0 0 2 2 6 6 7 9 1 1 7 7 2",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "9 91",
          "kind": "other",
          "name": "Navajo entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "ii- + -cha + y- → yiicha (“we are crying”)",
          "type": "example"
        }
      ],
      "glosses": [
        "A peg element added to 1st person plural ∅-imperfective verbs to fit syllable shape restraints"
      ],
      "id": "en-y--nv-prefix-D165kRgy",
      "links": [
        [
          "peg element",
          "peg element#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "y-"
}

{
  "categories": [
    "Navajo entries with incorrect language header",
    "Navajo lemmas",
    "Navajo prefixes",
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "nv",
        "2": "prefix"
      },
      "expansion": "y-",
      "name": "head"
    }
  ],
  "lang": "Navajo",
  "lang_code": "nv",
  "pos": "prefix",
  "related": [
    {
      "word": "yi-"
    }
  ],
  "senses": [
    {
      "glosses": [
        "A marker for the third person object"
      ],
      "links": [
        [
          "third person",
          "third person#English"
        ],
        [
          "object",
          "object#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        "Navajo links with redundant target parameters",
        "Navajo links with redundant wikilinks"
      ],
      "examples": [
        {
          "text": "ii- + -cha + y- → yiicha (“we are crying”)",
          "type": "example"
        }
      ],
      "glosses": [
        "A peg element added to 1st person plural ∅-imperfective verbs to fit syllable shape restraints"
      ],
      "links": [
        [
          "peg element",
          "peg element#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "y-"
}