"-aban" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "-ābant"
      },
      "expansion": "Latin -ābant",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin -ābant.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "suffix form"
      },
      "expansion": "-aban",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "suffix indicating the third-person plural imperfect indicative of -ar verbs"
      ],
      "id": "en--aban-es-suffix--DEL22HD",
      "links": [
        [
          "third-person plural",
          "third-person plural#English"
        ],
        [
          "imperfect",
          "imperfect#English"
        ],
        [
          "indicative",
          "indicative#English"
        ],
        [
          "-ar",
          "-ar#English"
        ]
      ],
      "related": [
        {
          "word": "-ían"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-aban"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "la",
        "3": "-ābant"
      },
      "expansion": "Latin -ābant",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin -ābant.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "suffix form"
      },
      "expansion": "-aban",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "suffix",
  "related": [
    {
      "word": "-ían"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish entries with incorrect language header",
        "Spanish non-lemma forms",
        "Spanish suffix forms",
        "Spanish terms derived from Latin",
        "Spanish terms inherited from Latin"
      ],
      "glosses": [
        "suffix indicating the third-person plural imperfect indicative of -ar verbs"
      ],
      "links": [
        [
          "third-person plural",
          "third-person plural#English"
        ],
        [
          "imperfect",
          "imperfect#English"
        ],
        [
          "indicative",
          "indicative#English"
        ],
        [
          "-ar",
          "-ar#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-aban"
}