"אתמול" meaning in Hebrew

{
  "etymology_templates": [
    {
      "args": {
        "1": "prothesis",
        "2": "Prothetic"
      },
      "expansion": "Prothetic",
      "name": "lg"
    },
    {
      "args": {
        "1": "arc",
        "2": "אֶתְמָלִי"
      },
      "expansion": "Aramaic אֶתְמָלִי",
      "name": "cog"
    },
    {
      "args": {
        "1": "akk",
        "2": "ittimali"
      },
      "expansion": "Akkadian ittimali",
      "name": "cog"
    }
  ],
  "etymology_text": "Prothetic form of the now literary תְּמוֹל (təmol, tmól). Compare Aramaic אֶתְמָלִי and Akkadian ittimali (timāli with prefix).",
  "forms": [
    {
      "form": "אֶתְמוֹל",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʔɛṯmol",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "etmól",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "tr": "ʔɛṯmol, etmól",
        "wv": "אֶתְמוֹל"
      },
      "expansion": "אֶתְמוֹל • (ʔɛṯmol, etmól)",
      "name": "he-adv"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hebrew 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"
        },
        {
          "kind": "topical",
          "langcode": "he",
          "name": "Time",
          "orig": "he:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "yesterday"
      ],
      "id": "en-אתמול-he-adv-lSPZ--eb",
      "links": [
        [
          "yesterday",
          "yesterday"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/(ʔ)etˈmol/",
      "tags": [
        "Modern-Israeli-Hebrew"
      ]
    },
    {
      "audio": "LL-Q9288_(heb)-Buffer-אתמול.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b1/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b1/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav.ogg"
    }
  ],
  "word": "אתמול"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "prothesis",
        "2": "Prothetic"
      },
      "expansion": "Prothetic",
      "name": "lg"
    },
    {
      "args": {
        "1": "arc",
        "2": "אֶתְמָלִי"
      },
      "expansion": "Aramaic אֶתְמָלִי",
      "name": "cog"
    },
    {
      "args": {
        "1": "akk",
        "2": "ittimali"
      },
      "expansion": "Akkadian ittimali",
      "name": "cog"
    }
  ],
  "etymology_text": "Prothetic form of the now literary תְּמוֹל (təmol, tmól). Compare Aramaic אֶתְמָלִי and Akkadian ittimali (timāli with prefix).",
  "forms": [
    {
      "form": "אֶתְמוֹל",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʔɛṯmol",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "etmól",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "tr": "ʔɛṯmol, etmól",
        "wv": "אֶתְמוֹל"
      },
      "expansion": "אֶתְמוֹל • (ʔɛṯmol, etmól)",
      "name": "he-adv"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Hebrew adverbs",
        "Hebrew entries with incorrect language header",
        "Hebrew lemmas",
        "Pages with 1 entry",
        "Pages with entries",
        "he:Time"
      ],
      "glosses": [
        "yesterday"
      ],
      "links": [
        [
          "yesterday",
          "yesterday"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/(ʔ)etˈmol/",
      "tags": [
        "Modern-Israeli-Hebrew"
      ]
    },
    {
      "audio": "LL-Q9288_(heb)-Buffer-אתמול.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b1/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b1/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav/LL-Q9288_%28heb%29-Buffer-%D7%90%D7%AA%D7%9E%D7%95%D7%9C.wav.ogg"
    }
  ],
  "word": "אתמול"
}