"-abš" meaning in Lushootseed

{
  "head_templates": [
    {
      "args": {
        "1": "lut",
        "2": "suffix"
      },
      "expansion": "-abš",
      "name": "head"
    }
  ],
  "lang": "Lushootseed",
  "lang_code": "lut",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lushootseed entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "duqʷəčabš"
        },
        {
          "word": "dxʷdəwʔabš"
        },
        {
          "word": "sduhubš"
        },
        {
          "word": "sqʷədabš"
        },
        {
          "word": "stuləgʷabš"
        },
        {
          "word": "suq̓ʷabš"
        },
        {
          "word": "sʔaʔabš"
        },
        {
          "word": "čubəʔabš"
        }
      ],
      "glosses": [
        "lexical suffix meaning \"people of\""
      ],
      "id": "en--abš-lut-suffix-scJC2Zyi",
      "synonyms": [
        {
          "word": "-bš"
        },
        {
          "word": "-əbš"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɑbʃ/"
    }
  ],
  "word": "-abš"
}

{
  "derived": [
    {
      "word": "duqʷəčabš"
    },
    {
      "word": "dxʷdəwʔabš"
    },
    {
      "word": "sduhubš"
    },
    {
      "word": "sqʷədabš"
    },
    {
      "word": "stuləgʷabš"
    },
    {
      "word": "suq̓ʷabš"
    },
    {
      "word": "sʔaʔabš"
    },
    {
      "word": "čubəʔabš"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "lut",
        "2": "suffix"
      },
      "expansion": "-abš",
      "name": "head"
    }
  ],
  "lang": "Lushootseed",
  "lang_code": "lut",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Lushootseed entries with incorrect language header",
        "Lushootseed lemmas",
        "Lushootseed suffixes",
        "Lushootseed terms with IPA pronunciation"
      ],
      "glosses": [
        "lexical suffix meaning \"people of\""
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɑbʃ/"
    }
  ],
  "synonyms": [
    {
      "word": "-bš"
    },
    {
      "word": "-əbš"
    }
  ],
  "word": "-abš"
}