"-t" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Suffixes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "examples": [
        {
          "text": "creep → crept, weep → wept, dip → dipt (forme archaïque de dipped)"
        }
      ],
      "glosses": [
        "Suffixe qui forme le participe passé ou le prétérit de certains verbes irréguliers en anglais."
      ],
      "id": "fr--t-en-suffix-aToexYqc"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en anglais de la linguistique",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "amid → amidst, voir amidst"
        }
      ],
      "glosses": [
        "Type d’excrescence (lettre ajouté sans raison)."
      ],
      "id": "fr--t-en-suffix-bg~-ebG6",
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\t\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-t"
}

{
  "categories": [
    "Suffixes en anglais",
    "anglais"
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "examples": [
        {
          "text": "creep → crept, weep → wept, dip → dipt (forme archaïque de dipped)"
        }
      ],
      "glosses": [
        "Suffixe qui forme le participe passé ou le prétérit de certains verbes irréguliers en anglais."
      ]
    },
    {
      "categories": [
        "Lexique en anglais de la linguistique"
      ],
      "examples": [
        {
          "text": "amid → amidst, voir amidst"
        }
      ],
      "glosses": [
        "Type d’excrescence (lettre ajouté sans raison)."
      ],
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\t\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-t"
}