"-ch-" meaning in Old Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "cel-pro",
        "3": "*-kʷe",
        "4": "",
        "5": "and"
      },
      "expansion": "Proto-Celtic *-kʷe (“and”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "sga",
        "2": "ine-pro",
        "3": "*-kʷe",
        "4": "",
        "5": "and"
      },
      "expansion": "Proto-Indo-European *-kʷe (“and”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "-que"
      },
      "expansion": "Latin -que",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "च"
      },
      "expansion": "Sanskrit च (ca)",
      "name": "cog"
    },
    {
      "args": {
        "1": "grc",
        "2": "τε"
      },
      "expansion": "Ancient Greek τε (te)",
      "name": "cog"
    },
    {
      "args": {
        "1": "gem-pro",
        "2": "*-hw"
      },
      "expansion": "Proto-Germanic *-hw",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "though",
        "3": "(thou)gh"
      },
      "expansion": "English (thou)gh",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Celtic *-kʷe (“and”), from Proto-Indo-European *-kʷe (“and”). Cognates include Latin -que, Sanskrit च (ca), Ancient Greek τε (te), Proto-Germanic *-hw → English (thou)gh.",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "conjunction"
      },
      "expansion": "-ch-",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "noch"
        }
      ],
      "glosses": [
        "and, used to introduce a word or clause in addition to something preceding."
      ],
      "id": "en--ch--sga-conj-lIdmfVTH",
      "links": [
        [
          "and",
          "and"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "suffix"
          ],
          "word": "-che"
        }
      ]
    }
  ],
  "word": "-ch-"
}

{
  "derived": [
    {
      "word": "noch"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "sga",
        "2": "cel-pro",
        "3": "*-kʷe",
        "4": "",
        "5": "and"
      },
      "expansion": "Proto-Celtic *-kʷe (“and”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "sga",
        "2": "ine-pro",
        "3": "*-kʷe",
        "4": "",
        "5": "and"
      },
      "expansion": "Proto-Indo-European *-kʷe (“and”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "la",
        "2": "-que"
      },
      "expansion": "Latin -que",
      "name": "cog"
    },
    {
      "args": {
        "1": "sa",
        "2": "च"
      },
      "expansion": "Sanskrit च (ca)",
      "name": "cog"
    },
    {
      "args": {
        "1": "grc",
        "2": "τε"
      },
      "expansion": "Ancient Greek τε (te)",
      "name": "cog"
    },
    {
      "args": {
        "1": "gem-pro",
        "2": "*-hw"
      },
      "expansion": "Proto-Germanic *-hw",
      "name": "cog"
    },
    {
      "args": {
        "1": "en",
        "2": "though",
        "3": "(thou)gh"
      },
      "expansion": "English (thou)gh",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Celtic *-kʷe (“and”), from Proto-Indo-European *-kʷe (“and”). Cognates include Latin -que, Sanskrit च (ca), Ancient Greek τε (te), Proto-Germanic *-hw → English (thou)gh.",
  "head_templates": [
    {
      "args": {
        "1": "sga",
        "2": "conjunction"
      },
      "expansion": "-ch-",
      "name": "head"
    }
  ],
  "lang": "Old Irish",
  "lang_code": "sga",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "Old Irish conjunctions",
        "Old Irish entries with incorrect language header",
        "Old Irish lemmas",
        "Old Irish terms derived from Proto-Celtic",
        "Old Irish terms derived from Proto-Indo-European",
        "Old Irish terms inherited from Proto-Celtic",
        "Old Irish terms inherited from Proto-Indo-European",
        "Pages with 2 entries"
      ],
      "glosses": [
        "and, used to introduce a word or clause in addition to something preceding."
      ],
      "links": [
        [
          "and",
          "and"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "suffix"
      ],
      "word": "-che"
    }
  ],
  "word": "-ch-"
}