"-iss-" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "-"
      },
      "expansion": "Latin",
      "name": "inh"
    },
    {
      "args": {
        "1": "it",
        "2": "-isc-"
      },
      "expansion": "Italian -isc-",
      "name": "cog"
    },
    {
      "args": {
        "1": "pt",
        "2": "-ec-"
      },
      "expansion": "Portuguese -ec-",
      "name": "cog"
    },
    {
      "args": {
        "1": "ro",
        "2": "-esc-"
      },
      "expansion": "Romanian -esc-",
      "name": "cog"
    }
  ],
  "etymology_text": "From the Latin inchoative infix -sc-, from -ēscō, but now extended to many non-inchoative verbs as well. Cognates include Italian -isc-, Portuguese -ec-, -esc- and -esç-, and Romanian -esc- and -ăsc-.",
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "infix"
      },
      "expansion": "-iss-",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "infix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French infixes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An infix found in most parts of the conjugation of regular -ir verbs."
      ],
      "id": "en--iss--fr-infix-o5fYKQDX",
      "links": [
        [
          "-ir",
          "-ir#French"
        ]
      ],
      "related": [
        {
          "word": "-is"
        },
        {
          "word": "-it"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-iss-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "la",
        "3": "-"
      },
      "expansion": "Latin",
      "name": "inh"
    },
    {
      "args": {
        "1": "it",
        "2": "-isc-"
      },
      "expansion": "Italian -isc-",
      "name": "cog"
    },
    {
      "args": {
        "1": "pt",
        "2": "-ec-"
      },
      "expansion": "Portuguese -ec-",
      "name": "cog"
    },
    {
      "args": {
        "1": "ro",
        "2": "-esc-"
      },
      "expansion": "Romanian -esc-",
      "name": "cog"
    }
  ],
  "etymology_text": "From the Latin inchoative infix -sc-, from -ēscō, but now extended to many non-inchoative verbs as well. Cognates include Italian -isc-, Portuguese -ec-, -esc- and -esç-, and Romanian -esc- and -ăsc-.",
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "2": "infix"
      },
      "expansion": "-iss-",
      "name": "head"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "infix",
  "related": [
    {
      "word": "-is"
    },
    {
      "word": "-it"
    }
  ],
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French infixes",
        "French lemmas",
        "French terms derived from Latin",
        "French terms inherited from Latin",
        "Latin links with redundant target parameters",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "An infix found in most parts of the conjugation of regular -ir verbs."
      ],
      "links": [
        [
          "-ir",
          "-ir#French"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-iss-"
}