"kusu" meaning in Latvian

{
  "head_templates": [
    {
      "args": {
        "1": "lv",
        "2": "verb form"
      },
      "expansion": "kusu",
      "name": "head"
    }
  ],
  "lang": "Latvian",
  "lang_code": "lv",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latvian 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"
        },
        {
          "_dis": "0 3 8 13 6 9 15 12 9 15 5 4",
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "kust"
        }
      ],
      "glosses": [
        "first-person singular past indicative of kust"
      ],
      "id": "en-kusu-lv-verb-jeEi82NE",
      "links": [
        [
          "kust",
          "kust#Latvian"
        ]
      ],
      "tags": [
        "first-person",
        "form-of",
        "indicative",
        "past",
        "singular"
      ]
    }
  ],
  "word": "kusu"
}

{
  "categories": [
    "Pages with 9 entries",
    "Pages with entries",
    "West Makian entries with incorrect language header",
    "West Makian lemmas",
    "West Makian nouns",
    "West Makian terms in nonstandard scripts",
    "mqs:Animals",
    "mqs:Plants"
  ],
  "head_templates": [
    {
      "args": {
        "1": "lv",
        "2": "verb form"
      },
      "expansion": "kusu",
      "name": "head"
    }
  ],
  "lang": "Latvian",
  "lang_code": "lv",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Latvian entries with incorrect language header",
        "Latvian non-lemma forms",
        "Latvian verb forms",
        "Pages with 9 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "kust"
        }
      ],
      "glosses": [
        "first-person singular past indicative of kust"
      ],
      "links": [
        [
          "kust",
          "kust#Latvian"
        ]
      ],
      "tags": [
        "first-person",
        "form-of",
        "indicative",
        "past",
        "singular"
      ]
    }
  ],
  "word": "kusu"
}