"ek" meaning in Proto-Italic

{
  "descendants": [
    {
      "lang": "Latin",
      "lang_code": "la",
      "word": "ec-"
    },
    {
      "lang": "Latin",
      "lang_code": "la",
      "raw_tags": [
        "reshaped by analogy or addition of morphemes"
      ],
      "word": "ecce"
    },
    {
      "descendants": [
        {
          "lang": "Marrucinian",
          "lang_code": "umc",
          "word": "ecan"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ek",
          "word": "𐌄𐌊"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ekúk",
          "word": "𐌄𐌊𐌞𐌊"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ekík",
          "word": "𐌄𐌊𐌝𐌊"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ekass",
          "word": "𐌄𐌊𐌀𐌔𐌔"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "eka",
          "word": "𐌄𐌊𐌀"
        },
        {
          "lang": "Paelignian",
          "lang_code": "pgn",
          "word": "ecuc"
        },
        {
          "lang": "Paelignian",
          "lang_code": "pgn",
          "word": "ecic"
        }
      ],
      "lang": "Sabellic",
      "lang_code": "unknown"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "ἐκεῖνος",
        "t": "that"
      },
      "expansion": "Ancient Greek ἐκεῖνος (ekeînos, “that”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Breaking it down element by element:\n* The initial *e- has been compared to that of Ancient Greek ἐκεῖνος (ekeînos, “that”).\n* The *-k- is from the deictic particle *ke.",
  "head_templates": [
    {
      "args": {
        "1": "itc-pro",
        "2": "pronoun"
      },
      "expansion": "*ek",
      "name": "head"
    }
  ],
  "lang": "Proto-Italic",
  "lang_code": "itc-pro",
  "original_title": "Reconstruction:Proto-Italic/ek",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Proto-Italic entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Proto-Italic pronouns",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "ekeso"
        }
      ],
      "glosses": [
        "this"
      ],
      "id": "en-ek-itc-pro-pron-HreWAkEe",
      "links": [
        [
          "this",
          "this"
        ]
      ],
      "synonyms": [
        {
          "word": "*ho"
        }
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "ek"
}

{
  "derived": [
    {
      "word": "ekeso"
    }
  ],
  "descendants": [
    {
      "lang": "Latin",
      "lang_code": "la",
      "word": "ec-"
    },
    {
      "lang": "Latin",
      "lang_code": "la",
      "raw_tags": [
        "reshaped by analogy or addition of morphemes"
      ],
      "word": "ecce"
    },
    {
      "descendants": [
        {
          "lang": "Marrucinian",
          "lang_code": "umc",
          "word": "ecan"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ek",
          "word": "𐌄𐌊"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ekúk",
          "word": "𐌄𐌊𐌞𐌊"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ekík",
          "word": "𐌄𐌊𐌝𐌊"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "ekass",
          "word": "𐌄𐌊𐌀𐌔𐌔"
        },
        {
          "lang": "Oscan",
          "lang_code": "osc",
          "roman": "eka",
          "word": "𐌄𐌊𐌀"
        },
        {
          "lang": "Paelignian",
          "lang_code": "pgn",
          "word": "ecuc"
        },
        {
          "lang": "Paelignian",
          "lang_code": "pgn",
          "word": "ecic"
        }
      ],
      "lang": "Sabellic",
      "lang_code": "unknown"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "grc",
        "2": "ἐκεῖνος",
        "t": "that"
      },
      "expansion": "Ancient Greek ἐκεῖνος (ekeînos, “that”)",
      "name": "cog"
    }
  ],
  "etymology_text": "Breaking it down element by element:\n* The initial *e- has been compared to that of Ancient Greek ἐκεῖνος (ekeînos, “that”).\n* The *-k- is from the deictic particle *ke.",
  "head_templates": [
    {
      "args": {
        "1": "itc-pro",
        "2": "pronoun"
      },
      "expansion": "*ek",
      "name": "head"
    }
  ],
  "lang": "Proto-Italic",
  "lang_code": "itc-pro",
  "original_title": "Reconstruction:Proto-Italic/ek",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Proto-Italic entries with incorrect language header",
        "Proto-Italic lemmas",
        "Proto-Italic pronouns"
      ],
      "glosses": [
        "this"
      ],
      "links": [
        [
          "this",
          "this"
        ]
      ],
      "synonyms": [
        {
          "word": "*ho"
        }
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "ek"
}