"אב" meaning in Yiddish

{
  "categories": [
    {
      "kind": "other",
      "name": "Mois de l’année en yiddish",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en yiddish",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Yiddish",
      "orig": "yiddish",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De l’hébreu (1ᵉʳ sens)"
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Mois de av."
      ],
      "id": "fr-אב-yi-noun-HikZcYT8"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɑv\\"
    }
  ],
  "word": "אב"
}

{
  "categories": [
    "Mois de l’année en yiddish",
    "Noms communs en yiddish",
    "yiddish"
  ],
  "etymology_texts": [
    "De l’hébreu (1ᵉʳ sens)"
  ],
  "lang": "Yiddish",
  "lang_code": "yi",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Mois de av."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɑv\\"
    }
  ],
  "word": "אב"
}