"estren" meaning in Cornish

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "cnx",
        "3": "estren"
      },
      "expansion": "Middle Cornish estren",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "cel-bry-pro",
        "3": "*estrọn"
      },
      "expansion": "Proto-Brythonic *estrọn",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "la",
        "3": "extrāneus"
      },
      "expansion": "Latin extrāneus",
      "name": "der"
    },
    {
      "args": {
        "1": "br",
        "2": "estren"
      },
      "expansion": "Breton estren",
      "name": "cog"
    },
    {
      "args": {
        "1": "cy",
        "2": "estron"
      },
      "expansion": "Welsh estron",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Cornish estren, from Proto-Brythonic *estrọn, borrowed from Latin extrāneus. Cognate with Breton estren, Welsh estron.",
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "adjective"
      },
      "expansion": "estren",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "alien, strange"
      ],
      "id": "en-estren-kw-adj-1GECKWeA",
      "links": [
        [
          "alien",
          "alien"
        ],
        [
          "strange",
          "strange"
        ]
      ]
    }
  ],
  "word": "estren"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "singulative",
        "g": "f"
      },
      "expansion": "estren f",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "4 96",
          "kind": "other",
          "name": "Cornish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "4 96",
          "kind": "other",
          "name": "Cornish singulatives",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "extra": "oysters",
          "word": "ester"
        }
      ],
      "glosses": [
        "singulative of ester (“oysters”)"
      ],
      "id": "en-estren-kw-noun-d67OK5K9",
      "links": [
        [
          "ester",
          "ester#Cornish"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "singulative"
      ]
    }
  ],
  "word": "estren"
}

{
  "categories": [
    "Cornish adjectives",
    "Cornish entries with incorrect language header",
    "Cornish lemmas",
    "Cornish non-lemma forms",
    "Cornish singulatives",
    "Cornish terms derived from Latin",
    "Cornish terms derived from Middle Cornish",
    "Cornish terms derived from Proto-Brythonic",
    "Cornish terms inherited from Middle Cornish",
    "Cornish terms inherited from Proto-Brythonic",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "kw",
        "2": "cnx",
        "3": "estren"
      },
      "expansion": "Middle Cornish estren",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "cel-bry-pro",
        "3": "*estrọn"
      },
      "expansion": "Proto-Brythonic *estrọn",
      "name": "inh"
    },
    {
      "args": {
        "1": "kw",
        "2": "la",
        "3": "extrāneus"
      },
      "expansion": "Latin extrāneus",
      "name": "der"
    },
    {
      "args": {
        "1": "br",
        "2": "estren"
      },
      "expansion": "Breton estren",
      "name": "cog"
    },
    {
      "args": {
        "1": "cy",
        "2": "estron"
      },
      "expansion": "Welsh estron",
      "name": "cog"
    }
  ],
  "etymology_text": "From Middle Cornish estren, from Proto-Brythonic *estrọn, borrowed from Latin extrāneus. Cognate with Breton estren, Welsh estron.",
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "adjective"
      },
      "expansion": "estren",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "alien, strange"
      ],
      "links": [
        [
          "alien",
          "alien"
        ],
        [
          "strange",
          "strange"
        ]
      ]
    }
  ],
  "word": "estren"
}

{
  "categories": [
    "Cornish entries with incorrect language header",
    "Cornish non-lemma forms",
    "Cornish singulatives",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "kw",
        "2": "singulative",
        "g": "f"
      },
      "expansion": "estren f",
      "name": "head"
    }
  ],
  "lang": "Cornish",
  "lang_code": "kw",
  "pos": "noun",
  "senses": [
    {
      "form_of": [
        {
          "extra": "oysters",
          "word": "ester"
        }
      ],
      "glosses": [
        "singulative of ester (“oysters”)"
      ],
      "links": [
        [
          "ester",
          "ester#Cornish"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "singulative"
      ]
    }
  ],
  "word": "estren"
}