"nomen est omen" meaning in Latin

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fi",
            "2": "nimi on enne",
            "cal": "1"
          },
          "expansion": "→ Finnish: nimi on enne (calque)",
          "name": "desc"
        },
        {
          "args": {
            "1": "name is a sign"
          },
          "expansion": "(name is a sign)",
          "name": "qualifier"
        }
      ],
      "text": "→ Finnish: nimi on enne (calque) (name is a sign)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "nomen omen",
            "bor": "1"
          },
          "expansion": "→ Polish: nomen omen",
          "name": "desc"
        }
      ],
      "text": "→ Polish: nomen omen"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "lucris",
        "3": "Lucris",
        "4": "profits"
      },
      "expansion": "Lucris (“profits”)",
      "name": "m"
    }
  ],
  "etymology_text": "The origin of this saying is attributed to the Roman playwright Plautus. In his play “Persa” the slave Toxilus lures his owner, Dordalus, to buy an expensive slave-girl named Lucris (“profits”), saying, “Nōmen atque ōmen quantīvīs iam est pretī” (“The name and the omen are worth any price”).",
  "forms": [
    {
      "form": "nōmen est ōmen",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "proverb",
        "head": "nōmen est ōmen"
      },
      "expansion": "nōmen est ōmen",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "proverb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin proverbs",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The name is a sign, the name speaks for itself."
      ],
      "id": "en-nomen_est_omen-la-proverb-kQXTCgZ6",
      "wikipedia": [
        "Persa (play)",
        "Plautus"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈnoː.men est ˈoː.men/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[ˈnoːmɛn ɛs̠t̪ ˈoːmɛn]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/ˈno.men est ˈo.men/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[ˈnɔːmen ɛst̪ ˈɔːmen]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "nomen est omen"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fi",
            "2": "nimi on enne",
            "cal": "1"
          },
          "expansion": "→ Finnish: nimi on enne (calque)",
          "name": "desc"
        },
        {
          "args": {
            "1": "name is a sign"
          },
          "expansion": "(name is a sign)",
          "name": "qualifier"
        }
      ],
      "text": "→ Finnish: nimi on enne (calque) (name is a sign)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "pl",
            "2": "nomen omen",
            "bor": "1"
          },
          "expansion": "→ Polish: nomen omen",
          "name": "desc"
        }
      ],
      "text": "→ Polish: nomen omen"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "lucris",
        "3": "Lucris",
        "4": "profits"
      },
      "expansion": "Lucris (“profits”)",
      "name": "m"
    }
  ],
  "etymology_text": "The origin of this saying is attributed to the Roman playwright Plautus. In his play “Persa” the slave Toxilus lures his owner, Dordalus, to buy an expensive slave-girl named Lucris (“profits”), saying, “Nōmen atque ōmen quantīvīs iam est pretī” (“The name and the omen are worth any price”).",
  "forms": [
    {
      "form": "nōmen est ōmen",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "proverb",
        "head": "nōmen est ōmen"
      },
      "expansion": "nōmen est ōmen",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "proverb",
  "senses": [
    {
      "categories": [
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin multiword terms",
        "Latin proverbs",
        "Latin terms with IPA pronunciation"
      ],
      "glosses": [
        "The name is a sign, the name speaks for itself."
      ],
      "wikipedia": [
        "Persa (play)",
        "Plautus"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈnoː.men est ˈoː.men/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[ˈnoːmɛn ɛs̠t̪ ˈoːmɛn]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/ˈno.men est ˈo.men/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[ˈnɔːmen ɛst̪ ˈɔːmen]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "nomen est omen"
}