"eka-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sa",
        "3": "एक",
        "4": "",
        "5": "one, first"
      },
      "expansion": "Sanskrit एक (eka, “one, first”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Sanskrit एक (eka, “one, first”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix"
      },
      "expansion": "eka-",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Element nomenclature",
          "orig": "en:Element nomenclature",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "eka-actinium"
        },
        {
          "word": "eka-aluminium"
        },
        {
          "word": "eka-aluminum"
        },
        {
          "word": "eka-astatine"
        },
        {
          "word": "eka-bismuth"
        },
        {
          "word": "eka-boron"
        },
        {
          "word": "eka-francium"
        },
        {
          "word": "eka-gold"
        },
        {
          "word": "eka-hafnium"
        },
        {
          "word": "eka-iridium"
        },
        {
          "word": "eka-lead"
        },
        {
          "word": "eka-manganese"
        },
        {
          "word": "eka-mercury"
        },
        {
          "word": "eka-osmium"
        },
        {
          "word": "eka-platinum"
        },
        {
          "word": "eka-polonium"
        },
        {
          "word": "eka-protactinium"
        },
        {
          "word": "eka-radium"
        },
        {
          "word": "eka-radon"
        },
        {
          "word": "eka-rhenium"
        },
        {
          "word": "eka-silicon"
        },
        {
          "word": "eka-tantalum"
        },
        {
          "word": "eka-thallium"
        },
        {
          "word": "eka-thorium"
        },
        {
          "word": "eka-tungsten"
        },
        {
          "word": "eka-uranium"
        },
        {
          "word": "eka-wolfram"
        }
      ],
      "glosses": [
        "Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the same group of the periodic table."
      ],
      "id": "en-eka--en-prefix-Hx5pC2v~",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "prototype",
          "prototype"
        ],
        [
          "undiscovered",
          "undiscovered"
        ],
        [
          "element",
          "element"
        ],
        [
          "periodic table",
          "periodic table"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the same group of the periodic table."
      ],
      "related": [
        {
          "word": "dvi-"
        },
        {
          "word": "tri-"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "eka"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈeɪkə/"
    }
  ],
  "word": "eka-"
}

{
  "derived": [
    {
      "word": "eka-actinium"
    },
    {
      "word": "eka-aluminium"
    },
    {
      "word": "eka-aluminum"
    },
    {
      "word": "eka-astatine"
    },
    {
      "word": "eka-bismuth"
    },
    {
      "word": "eka-boron"
    },
    {
      "word": "eka-francium"
    },
    {
      "word": "eka-gold"
    },
    {
      "word": "eka-hafnium"
    },
    {
      "word": "eka-iridium"
    },
    {
      "word": "eka-lead"
    },
    {
      "word": "eka-manganese"
    },
    {
      "word": "eka-mercury"
    },
    {
      "word": "eka-osmium"
    },
    {
      "word": "eka-platinum"
    },
    {
      "word": "eka-polonium"
    },
    {
      "word": "eka-protactinium"
    },
    {
      "word": "eka-radium"
    },
    {
      "word": "eka-radon"
    },
    {
      "word": "eka-rhenium"
    },
    {
      "word": "eka-silicon"
    },
    {
      "word": "eka-tantalum"
    },
    {
      "word": "eka-thallium"
    },
    {
      "word": "eka-thorium"
    },
    {
      "word": "eka-tungsten"
    },
    {
      "word": "eka-uranium"
    },
    {
      "word": "eka-wolfram"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sa",
        "3": "एक",
        "4": "",
        "5": "one, first"
      },
      "expansion": "Sanskrit एक (eka, “one, first”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Sanskrit एक (eka, “one, first”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix"
      },
      "expansion": "eka-",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "related": [
    {
      "word": "dvi-"
    },
    {
      "word": "tri-"
    }
  ],
  "senses": [
    {
      "categories": [
        "English 2-syllable words",
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms borrowed from Sanskrit",
        "English terms derived from Sanskrit",
        "English terms with IPA pronunciation",
        "en:Chemistry",
        "en:Element nomenclature"
      ],
      "glosses": [
        "Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the same group of the periodic table."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "prototype",
          "prototype"
        ],
        [
          "undiscovered",
          "undiscovered"
        ],
        [
          "element",
          "element"
        ],
        [
          "periodic table",
          "periodic table"
        ]
      ],
      "raw_glosses": [
        "(chemistry) Used to form prototype names for as-yet undiscovered elements, when prepended to the known element above them in the same group of the periodic table."
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "eka"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈeɪkə/"
    }
  ],
  "word": "eka-"
}