"-iss-" meaning in Old French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "-"
      },
      "expansion": "Latin",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin -sc-, from the -ēscō conjugation, originally with inchoative meaning; evolved early on into a verb extension with little apparent semantic meaning.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "infix"
      },
      "expansion": "-iss-",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "infix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Old French infixes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An inchoative infix appearing on many verbs, and integrated into the conjugation of some -ir- verbs."
      ],
      "id": "en--iss--fro-infix-VjwkF9Ct",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-iss-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fro",
        "2": "la",
        "3": "-"
      },
      "expansion": "Latin",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin -sc-, from the -ēscō conjugation, originally with inchoative meaning; evolved early on into a verb extension with little apparent semantic meaning.",
  "head_templates": [
    {
      "args": {
        "1": "fro",
        "2": "infix"
      },
      "expansion": "-iss-",
      "name": "head"
    }
  ],
  "lang": "Old French",
  "lang_code": "fro",
  "pos": "infix",
  "senses": [
    {
      "categories": [
        "Old French entries with incorrect language header",
        "Old French infixes",
        "Old French lemmas",
        "Old French terms derived from Latin",
        "Old French terms inherited from Latin",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "An inchoative infix appearing on many verbs, and integrated into the conjugation of some -ir- verbs."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-iss-"
}