"-s-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "-s, -es"
      },
      "expansion": "Middle English -s, -es",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "-es",
        "4": "",
        "5": "-'s",
        "pos": "masculine and neuter genitive singular ending"
      },
      "expansion": "Old English -es (“-'s”, masculine and neuter genitive singular ending)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Middle English -s, -es, from Old English -es (“-'s”, masculine and neuter genitive singular ending), which survives in many old compounds. In more recent coinage, from contraction of the derived clitic -'s in compounds. For more, see -'s.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "interfix"
      },
      "expansion": "-s-",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English interfixes",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "hogshead, kingsman, yearsworth, jobsworth, womenswear",
          "type": "example"
        }
      ],
      "glosses": [
        "Genitival interfix used to link elements in some compounds, equivalent to the possessive clitic -'s."
      ],
      "id": "en--s--en-interfix-p8jWZPf~",
      "links": [
        [
          "-'s",
          "-'s#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-s-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "-s, -es"
      },
      "expansion": "Middle English -s, -es",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "-es",
        "4": "",
        "5": "-'s",
        "pos": "masculine and neuter genitive singular ending"
      },
      "expansion": "Old English -es (“-'s”, masculine and neuter genitive singular ending)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Middle English -s, -es, from Old English -es (“-'s”, masculine and neuter genitive singular ending), which survives in many old compounds. In more recent coinage, from contraction of the derived clitic -'s in compounds. For more, see -'s.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "interfix"
      },
      "expansion": "-s-",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English interfixes",
        "English lemmas",
        "English terms derived from Middle English",
        "English terms derived from Old English",
        "English terms inherited from Middle English",
        "English terms inherited from Old English",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "hogshead, kingsman, yearsworth, jobsworth, womenswear",
          "type": "example"
        }
      ],
      "glosses": [
        "Genitival interfix used to link elements in some compounds, equivalent to the possessive clitic -'s."
      ],
      "links": [
        [
          "-'s",
          "-'s#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-s-"
}