"tra ma" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions conjonctives en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de tra et de ma."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "conj",
  "pos_title": "Locution conjonctive",
  "senses": [
    {
      "glosses": [
        "Tant que."
      ],
      "id": "fr-tra_ma-br-conj-Tr5GxBCQ"
    }
  ],
  "sounds": [
    {
      "ipa": "\\tʁa ma\\"
    }
  ],
  "word": "tra ma"
}

{
  "categories": [
    "Compositions en breton",
    "Locutions conjonctives en breton",
    "breton"
  ],
  "etymology_texts": [
    "Composé de tra et de ma."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "conj",
  "pos_title": "Locution conjonctive",
  "senses": [
    {
      "glosses": [
        "Tant que."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\tʁa ma\\"
    }
  ],
  "word": "tra ma"
}