"ἀρχά" meaning in Grec ancien

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec ancien",
      "orig": "grec ancien",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Variante de ἀρχή, arkhê."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "ἀρχά, arkha"
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Odyssée, 2.58",
          "text": "τὰ δ᾽ ἐν τᾷδε Διὸς ἀρχᾷ ἀλιτρὰ κατὰ γᾶς δικάζει τις ἐχθρᾷ” “λόγον φράσαις ἀνάγκᾳ"
        }
      ],
      "glosses": [
        "Royaume."
      ],
      "id": "fr-ἀρχά-grc-noun-AunScDuP"
    },
    {
      "examples": [
        {
          "ref": "Odyssée, 10.78",
          "text": "ἀρχαῖς δὲ προτέραις ἑπόμενοι καί νυν — κελαδησόμεθα"
        }
      ],
      "glosses": [
        "Commencement."
      ],
      "id": "fr-ἀρχά-grc-noun-mIk7ILFz"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "ἀρχά"
}

{
  "categories": [
    "Noms communs en grec ancien",
    "grec ancien"
  ],
  "etymology_texts": [
    "Variante de ἀρχή, arkhê."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "ἀρχά, arkha"
  ],
  "senses": [
    {
      "examples": [
        {
          "ref": "Odyssée, 2.58",
          "text": "τὰ δ᾽ ἐν τᾷδε Διὸς ἀρχᾷ ἀλιτρὰ κατὰ γᾶς δικάζει τις ἐχθρᾷ” “λόγον φράσαις ἀνάγκᾳ"
        }
      ],
      "glosses": [
        "Royaume."
      ]
    },
    {
      "examples": [
        {
          "ref": "Odyssée, 10.78",
          "text": "ἀρχαῖς δὲ προτέραις ἑπόμενοι καί νυν — κελαδησόμεθα"
        }
      ],
      "glosses": [
        "Commencement."
      ]
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "ἀρχά"
}