"-е-" meaning in Bulgarian

{
  "etymology_text": "Alternative form of -о- (-o-) used after consonants that were originally palatalized stops or hushing sibilants, as well as ц (c). Modern Bulgarian features much less palatalization, so this isn't readily apparent in derived words.",
  "forms": [
    {
      "form": "-e-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "interfix"
      },
      "expansion": "-е- • (-e-)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "interfix",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(-o-) (forms compound words; not meaning-bearing)",
          "word": "-о-"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Bulgarian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Bulgarian interfixes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using catfix",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative form of -о- (-o-) (forms compound words; not meaning-bearing)"
      ],
      "id": "en--е--bg-interfix-bdjrKRWU",
      "links": [
        [
          "-о-",
          "-о-#Bulgarian"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɛ]"
    }
  ],
  "word": "-е-"
}

{
  "etymology_text": "Alternative form of -о- (-o-) used after consonants that were originally palatalized stops or hushing sibilants, as well as ц (c). Modern Bulgarian features much less palatalization, so this isn't readily apparent in derived words.",
  "forms": [
    {
      "form": "-e-",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "bg",
        "2": "interfix"
      },
      "expansion": "-е- • (-e-)",
      "name": "head"
    }
  ],
  "lang": "Bulgarian",
  "lang_code": "bg",
  "pos": "interfix",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(-o-) (forms compound words; not meaning-bearing)",
          "word": "-о-"
        }
      ],
      "categories": [
        "Bulgarian entries with incorrect language header",
        "Bulgarian interfixes",
        "Bulgarian lemmas",
        "Bulgarian terms with IPA pronunciation",
        "Pages using catfix",
        "Pages with 4 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Alternative form of -о- (-o-) (forms compound words; not meaning-bearing)"
      ],
      "links": [
        [
          "-о-",
          "-о-#Bulgarian"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɛ]"
    }
  ],
  "word": "-е-"
}