"начьнѣѣхомъ" meaning in Old Church Slavonic

{
  "forms": [
    {
      "form": "načĭnějěxomŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "2": "verb form"
      },
      "expansion": "начьнѣѣхомъ • (načĭnějěxomŭ)",
      "name": "head"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Old Church Slavonic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "načęti",
          "word": "начѧти"
        }
      ],
      "glosses": [
        "first-person plural imperfect of начѧти (načęti)"
      ],
      "id": "en-начьнѣѣхомъ-cu-verb-tJTtVLZ8",
      "links": [
        [
          "начѧти",
          "начѧти#Old_Church_Slavonic"
        ]
      ],
      "tags": [
        "first-person",
        "form-of",
        "imperfect",
        "plural"
      ]
    }
  ],
  "word": "начьнѣѣхомъ"
}

{
  "forms": [
    {
      "form": "načĭnějěxomŭ",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "cu",
        "2": "verb form"
      },
      "expansion": "начьнѣѣхомъ • (načĭnějěxomŭ)",
      "name": "head"
    }
  ],
  "lang": "Old Church Slavonic",
  "lang_code": "cu",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Old Church Slavonic entries with incorrect language header",
        "Old Church Slavonic non-lemma forms",
        "Old Church Slavonic verb forms",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "form_of": [
        {
          "extra": "načęti",
          "word": "начѧти"
        }
      ],
      "glosses": [
        "first-person plural imperfect of начѧти (načęti)"
      ],
      "links": [
        [
          "начѧти",
          "начѧти#Old_Church_Slavonic"
        ]
      ],
      "tags": [
        "first-person",
        "form-of",
        "imperfect",
        "plural"
      ]
    }
  ],
  "word": "начьнѣѣхомъ"
}