"em-" meaning in Zulu

{
  "forms": [
    {
      "form": "ḗm-",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zu",
        "2": "prefix",
        "cat2": "adjective concords",
        "head": "ḗm-"
      },
      "expansion": "ḗm-",
      "name": "head"
    }
  ],
  "lang": "Zulu",
  "lang_code": "zu",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Zulu adjective concords",
          "parents": [
            "Adjective concords",
            "Concords",
            "Prefixes",
            "Morphemes",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Zulu entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Class 9 adjective concord; form of en- used before stems beginning with a labial consonant."
      ],
      "id": "en-em--zu-prefix-~a1qxNZ9",
      "links": [
        [
          "en-",
          "en-#Zulu"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "em-"
}

{
  "forms": [
    {
      "form": "ḗm-",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zu",
        "2": "prefix",
        "cat2": "adjective concords",
        "head": "ḗm-"
      },
      "expansion": "ḗm-",
      "name": "head"
    }
  ],
  "lang": "Zulu",
  "lang_code": "zu",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Zulu adjective concords",
        "Zulu entries with incorrect language header",
        "Zulu lemmas",
        "Zulu prefixes"
      ],
      "glosses": [
        "Class 9 adjective concord; form of en- used before stems beginning with a labial consonant."
      ],
      "links": [
        [
          "en-",
          "en-#Zulu"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "em-"
}