"nerzhañ" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Verbes en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "kennerzhañ"
    }
  ],
  "etymology_texts": [
    "→ voir nerzh et -añ.",
    "Mentionné dans le dictionnaire de Grégoire de Rostrenen (1732).",
    "À comparer avec le verbe gallois nerthu (sens identique)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "glosses": [
        "Fortifier."
      ],
      "id": "fr-nerzhañ-br-verb-Q5OJ2o04"
    },
    {
      "glosses": [
        "Renforcer."
      ],
      "id": "fr-nerzhañ-br-verb-W6KgXPNE"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈnɛrzã\\"
    }
  ],
  "word": "nerzhañ"
}

{
  "categories": [
    "Verbes en breton",
    "breton"
  ],
  "derived": [
    {
      "word": "kennerzhañ"
    }
  ],
  "etymology_texts": [
    "→ voir nerzh et -añ.",
    "Mentionné dans le dictionnaire de Grégoire de Rostrenen (1732).",
    "À comparer avec le verbe gallois nerthu (sens identique)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "glosses": [
        "Fortifier."
      ]
    },
    {
      "glosses": [
        "Renforcer."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈnɛrzã\\"
    }
  ],
  "word": "nerzhañ"
}