"chen" meaning in Old Irish

{
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "mutated preposition"
      },
      "expansion": "chen",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "Old Irish mutated prepositions",
          "parents": [
            "Mutated prepositions",
            "Mutated forms",
            "Preposition forms",
            "Non-lemma forms",
            "Prepositions",
            "Lemmas"
          ],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "cen"
        }
      ],
      "glosses": [
        "Lenited form of cen."
      ],
      "id": "en-chen-sga-prep-gPGLQtTd",
      "links": [
        [
          "Lenited",
          "lenition"
        ],
        [
          "cen",
          "cen#Old_Irish"
        ]
      ],
      "tags": [
        "form-of",
        "lenition"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xʲen]"
    }
  ],
  "word": "chen"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "mutated noun"
      },
      "expansion": "chen",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "chenn"
        }
      ],
      "glosses": [
        "Alternative spelling of chenn"
      ],
      "id": "en-chen-sga-noun-OFqYfHKT",
      "links": [
        [
          "chenn",
          "chenn#Old_Irish"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xʲen͈]"
    }
  ],
  "word": "chen"
}

{
  "categories": [
    "Old Irish entries with incorrect language header",
    "Old Irish mutated nouns",
    "Old Irish mutated prepositions",
    "Old Irish non-lemma forms",
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "etymology_number": 1,
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "mutated preposition"
      },
      "expansion": "chen",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "prep",
  "senses": [
    {
      "categories": [
        "Old Irish lenited forms"
      ],
      "form_of": [
        {
          "word": "cen"
        }
      ],
      "glosses": [
        "Lenited form of cen."
      ],
      "links": [
        [
          "Lenited",
          "lenition"
        ],
        [
          "cen",
          "cen#Old_Irish"
        ]
      ],
      "tags": [
        "form-of",
        "lenition"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xʲen]"
    }
  ],
  "word": "chen"
}

{
  "categories": [
    "Old Irish entries with incorrect language header",
    "Old Irish mutated nouns",
    "Old Irish non-lemma forms",
    "Pages with 7 entries",
    "Pages with entries"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "mutated noun"
      },
      "expansion": "chen",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "chenn"
        }
      ],
      "glosses": [
        "Alternative spelling of chenn"
      ],
      "links": [
        [
          "chenn",
          "chenn#Old_Irish"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[xʲen͈]"
    }
  ],
  "word": "chen"
}