"-sa-" meaning in Finnish

{
  "etymology_text": "Originally from the adjective ending -isa.",
  "forms": [
    {
      "form": "-sä-",
      "tags": [
        "front-vowel"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "interfixes",
        "3": "front vowel harmony variant",
        "4": "-sä-",
        "5": "linguistic notation",
        "6": "-sA-",
        "cat2": "",
        "f2nolink": "1",
        "head": ""
      },
      "expansion": "-sa- (front vowel harmony variant -sä-, linguistic notation -sA-)",
      "name": "head"
    },
    {
      "args": {
        "var": "sä"
      },
      "expansion": "-sa- (front vowel harmony variant -sä-, linguistic notation -sA-)",
      "name": "fi-interfix"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Finnish interfixes",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Used in adverbs describing location or direction that use a case ending (either from an external or internal location case), with a meaning that can range from a diminutive meaning to one implying unreachability. Placed right before the case ending."
      ],
      "id": "en--sa--fi-interfix-t7eOnNz0",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-sa-"
}

{
  "etymology_text": "Originally from the adjective ending -isa.",
  "forms": [
    {
      "form": "-sä-",
      "tags": [
        "front-vowel"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "interfixes",
        "3": "front vowel harmony variant",
        "4": "-sä-",
        "5": "linguistic notation",
        "6": "-sA-",
        "cat2": "",
        "f2nolink": "1",
        "head": ""
      },
      "expansion": "-sa- (front vowel harmony variant -sä-, linguistic notation -sA-)",
      "name": "head"
    },
    {
      "args": {
        "var": "sä"
      },
      "expansion": "-sa- (front vowel harmony variant -sä-, linguistic notation -sA-)",
      "name": "fi-interfix"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "interfix",
  "senses": [
    {
      "categories": [
        "Finnish entries with incorrect language header",
        "Finnish interfixes",
        "Finnish lemmas"
      ],
      "glosses": [
        "Used in adverbs describing location or direction that use a case ending (either from an external or internal location case), with a meaning that can range from a diminutive meaning to one implying unreachability. Placed right before the case ending."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-sa-"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: linguistic notation -sA-",
  "path": [
    "-sa-"
  ],
  "section": "Finnish",
  "subsection": "interfix",
  "title": "-sa-",
  "trace": ""
}