"jota-" meaning in Serbo-croate

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en serbo-croate issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Préfixes en serbo-croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Serbo-croate",
      "orig": "serbo-croate",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du grec ancien ὀκτώ, oktô (« huit »)."
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "prefix",
  "pos_title": "Préfixe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en serbo-croate de la métrologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Yotta-."
      ],
      "id": "fr-jota--sh-prefix-85OfLGxP",
      "topics": [
        "metrology"
      ]
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "jota-"
}

{
  "categories": [
    "Mots en serbo-croate issus d’un mot en grec ancien",
    "Préfixes en serbo-croate",
    "serbo-croate"
  ],
  "etymology_texts": [
    "Du grec ancien ὀκτώ, oktô (« huit »)."
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "prefix",
  "pos_title": "Préfixe",
  "senses": [
    {
      "categories": [
        "Lexique en serbo-croate de la métrologie"
      ],
      "glosses": [
        "Yotta-."
      ],
      "topics": [
        "metrology"
      ]
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "jota-"
}