"otsa" meaning in Finnois

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en finnois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en finnois issus d’un mot en proto-fennique",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en finnois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Finnois",
      "orig": "finnois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Étymologies en finnois incluant une reconstruction",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du proto-fennique *oncca."
  ],
  "lang": "Finnois",
  "lang_code": "fi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en finnois",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en finnois de l’anatomie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Löin otsani kipeästi matalassa oviaukossa.",
          "translation": "Je me suis cogné douloureusement le front dans la porte basse."
        }
      ],
      "glosses": [
        "Front"
      ],
      "id": "fr-otsa-fi-noun-phdZAgKJ",
      "topics": [
        "anatomy"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈotsɑ\\"
    }
  ],
  "word": "otsa"
}

{
  "categories": [
    "Lemmes en finnois",
    "Mots en finnois issus d’un mot en proto-fennique",
    "Noms communs en finnois",
    "finnois",
    "Étymologies en finnois incluant une reconstruction"
  ],
  "etymology_texts": [
    "Du proto-fennique *oncca."
  ],
  "lang": "Finnois",
  "lang_code": "fi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en finnois",
        "Lexique en finnois de l’anatomie"
      ],
      "examples": [
        {
          "text": "Löin otsani kipeästi matalassa oviaukossa.",
          "translation": "Je me suis cogné douloureusement le front dans la porte basse."
        }
      ],
      "glosses": [
        "Front"
      ],
      "topics": [
        "anatomy"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈotsɑ\\"
    }
  ],
  "word": "otsa"
}