"са" meaning in Moksha

{
  "forms": [
    {
      "form": "sa",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "verb form"
      },
      "expansion": "са • (sa)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Moksha entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "A. P. Feoktistov (1993), Jaziki mira: Uraľskije jaziki (MOKŠANSKIJ JAZIK) http://www.philology.ru/linguistics3/feoktistov-93a.htm Languages of the world: Uralic languages (Moksha language), Moscow, pages 178—189\nафольхть са\nafoľhť sa\n[they probably] wouldn't have come",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "extra": "sams",
          "word": "самс"
        }
      ],
      "glosses": [
        "connegative of самс (sams)"
      ],
      "id": "en-са-mdf-verb-tPIIvk4~",
      "links": [
        [
          "самс",
          "самс#Moksha"
        ]
      ],
      "tags": [
        "connegative",
        "form-of"
      ]
    }
  ],
  "word": "са"
}

{
  "forms": [
    {
      "form": "sa",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "verb form"
      },
      "expansion": "са • (sa)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Moksha entries with incorrect language header",
        "Moksha non-lemma forms",
        "Moksha terms with usage examples",
        "Moksha verb forms",
        "Pages with 9 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "A. P. Feoktistov (1993), Jaziki mira: Uraľskije jaziki (MOKŠANSKIJ JAZIK) http://www.philology.ru/linguistics3/feoktistov-93a.htm Languages of the world: Uralic languages (Moksha language), Moscow, pages 178—189\nафольхть са\nafoľhť sa\n[they probably] wouldn't have come",
          "type": "example"
        }
      ],
      "form_of": [
        {
          "extra": "sams",
          "word": "самс"
        }
      ],
      "glosses": [
        "connegative of самс (sams)"
      ],
      "links": [
        [
          "самс",
          "самс#Moksha"
        ]
      ],
      "tags": [
        "connegative",
        "form-of"
      ]
    }
  ],
  "word": "са"
}