"сау" meaning in Ossetian

{
  "etymology_templates": [
    {
      "args": {
        "1": "os",
        "2": "ira-pro",
        "3": "*cyaHwáh"
      },
      "expansion": "Proto-Iranian *cyaHwáh",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Iranian *cyaHwáh.",
  "forms": [
    {
      "form": "са́у",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sáu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "os",
        "2": "adjective",
        "head": "са́у"
      },
      "expansion": "са́у • (sáu)",
      "name": "head"
    }
  ],
  "lang": "Ossetian",
  "lang_code": "os",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Digor Ossetian",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Iron Ossetian",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ossetian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "os",
          "name": "Colors",
          "orig": "os:Colors",
          "parents": [
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "black"
      ],
      "id": "en-сау-os-adj-wAbH46sU",
      "links": [
        [
          "black",
          "black"
        ]
      ],
      "raw_glosses": [
        "(Iron, Digor) black"
      ],
      "tags": [
        "Digor",
        "Iron"
      ]
    }
  ],
  "word": "сау"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "os",
        "2": "ira-pro",
        "3": "*cyaHwáh"
      },
      "expansion": "Proto-Iranian *cyaHwáh",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Iranian *cyaHwáh.",
  "forms": [
    {
      "form": "са́у",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sáu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "os",
        "2": "adjective",
        "head": "са́у"
      },
      "expansion": "са́у • (sáu)",
      "name": "head"
    }
  ],
  "lang": "Ossetian",
  "lang_code": "os",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Digor Ossetian",
        "Iron Ossetian",
        "Ossetian adjectives",
        "Ossetian entries with incorrect language header",
        "Ossetian lemmas",
        "Ossetian terms derived from Proto-Iranian",
        "Ossetian terms inherited from Proto-Iranian",
        "os:Colors"
      ],
      "glosses": [
        "black"
      ],
      "links": [
        [
          "black",
          "black"
        ]
      ],
      "raw_glosses": [
        "(Iron, Digor) black"
      ],
      "tags": [
        "Digor",
        "Iron"
      ]
    }
  ],
  "word": "сау"
}