"seshys" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "sesh",
        "3": "-ys",
        "t1": "sesh"
      },
      "expansion": "sesh (“sesh”) + -ys",
      "name": "af"
    }
  ],
  "etymology_text": "From sesh (“sesh”) + -ys.",
  "head_templates": [
    {
      "args": {},
      "expansion": "seshys (not mutable)",
      "name": "cy-noun form"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh terms suffixed with -ys",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "sesh"
        }
      ],
      "glosses": [
        "plural of sesh"
      ],
      "id": "en-seshys-cy-noun-0pjGXiRt",
      "links": [
        [
          "sesh",
          "sesh#Welsh"
        ]
      ],
      "tags": [
        "form-of",
        "not-mutable",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsɛʃɨ̞s/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˈsɛʃɪz/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "seshys"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "sesh",
        "3": "-ys",
        "t1": "sesh"
      },
      "expansion": "sesh (“sesh”) + -ys",
      "name": "af"
    }
  ],
  "etymology_text": "From sesh (“sesh”) + -ys.",
  "head_templates": [
    {
      "args": {},
      "expansion": "seshys (not mutable)",
      "name": "cy-noun form"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Welsh entries with incorrect language header",
        "Welsh non-lemma forms",
        "Welsh non-mutable terms",
        "Welsh noun forms",
        "Welsh terms suffixed with -ys"
      ],
      "form_of": [
        {
          "word": "sesh"
        }
      ],
      "glosses": [
        "plural of sesh"
      ],
      "links": [
        [
          "sesh",
          "sesh#Welsh"
        ]
      ],
      "tags": [
        "form-of",
        "not-mutable",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsɛʃɨ̞s/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/ˈsɛʃɪz/",
      "tags": [
        "South-Wales"
      ]
    }
  ],
  "word": "seshys"
}