"esenca" meaning in Esperanto

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": ":af",
        "3": "esenco",
        "4": "-a",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEsperanto esenco\nEsperanto -a\nEsperanto esenca\nFrom esenco + -a.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEsperanto esenco\nEsperanto -a\nEsperanto esenca\nFrom esenco + -a.",
  "forms": [
    {
      "form": "esencan",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "esencaj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "esencajn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "esenca (accusative singular esencan, plural esencaj, accusative plural esencajn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "e‧sen‧ca"
  ],
  "hyphenations": [
    {
      "parts": [
        "e‧sen‧ca"
      ]
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Esperanto terms suffixed with -a",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "essential"
      ],
      "id": "en-esenca-eo-adj-pVdRzs0R",
      "links": [
        [
          "essential",
          "essential"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/eˈsent͡sa/"
    },
    {
      "rhymes": "-ent͡sa"
    }
  ],
  "word": "esenca"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "eo",
        "2": ":af",
        "3": "esenco",
        "4": "-a",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEsperanto esenco\nEsperanto -a\nEsperanto esenca\nFrom esenco + -a.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEsperanto esenco\nEsperanto -a\nEsperanto esenca\nFrom esenco + -a.",
  "forms": [
    {
      "form": "esencan",
      "tags": [
        "accusative",
        "singular"
      ]
    },
    {
      "form": "esencaj",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "esencajn",
      "tags": [
        "accusative",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "esenca (accusative singular esencan, plural esencaj, accusative plural esencajn)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "e‧sen‧ca"
  ],
  "hyphenations": [
    {
      "parts": [
        "e‧sen‧ca"
      ]
    }
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Esperanto 3-syllable words",
        "Esperanto adjectives",
        "Esperanto entries referencing missing etymons",
        "Esperanto entries with etymology texts",
        "Esperanto entries with etymology trees",
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto terms suffixed with -a",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio pronunciation",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymology trees",
        "Rhymes:Esperanto/ent͡sa",
        "Rhymes:Esperanto/ent͡sa/3 syllables"
      ],
      "glosses": [
        "essential"
      ],
      "links": [
        [
          "essential",
          "essential"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/eˈsent͡sa/"
    },
    {
      "rhymes": "-ent͡sa"
    }
  ],
  "word": "esenca"
}