草履

(Can this⁽⁺⁾ etymology be sourced?) In late Middle Japanese, the initial [zo] temporarily becomes affricate [dʒo].

/zauri/ → /zoːri/

• (Irregular reading)
  • (Tokyo) ぞーり [zòórí] (Heiban – [0])
  • IPA^(key): [d͡zo̞ːɾʲi]

草履 (hiragana ぞうり, katakana ゾウリ, rōmaji zōri, historical hiragana ざうり, historical katakana ザウリ)

1. a type of flat, thonged sandal
   • c. 934: Wamyō Ruijushō (Volume 4)

     草履 楊氏漢語抄云草履、和名與屩同、俗云佐宇利

   • c. 1177-1188: Iroha Jiruishō

     草履 サウリ 和名与屩曰日記用浄履

   • 1444: Kagakushū (Volume 13)

     草（ジャウ）履　ザウリ

(alternative reading hiragana じょうり, katakana ジョウリ, romaji jōri, historical hiragana じやうり, historical katakana ジヤウリ)

1. a type of flat, thonged sandal
   • 1444: Kagakushū (Volume 13)

     草（ジャウ)履　ザウリ

   • 1603–1604, Nippo Jisho (page 369)

     Iǒri (=ジョウリ)

• 草 (ゾウ)履 (リ)虫 (ムシ) (zōrimushi)

• Doi, Tadao (1603–1604) Hōyaku Nippo Jisho (in Japanese), Tōkyō: Iwanami Shoten, published 1980, →ISBN.
• Kamei, Takashi (1944) Kagakushū: Gennabon (in Japanese), Tōkyō: Iwanami Shoten
• Minamoto, Shitagō; Kyōto Daigaku Bungakubu Kokugogaku Kokubungaku Kenkyūshitu (931–938) Shohon Shūsei Wamyō Ruijushō: Honbunhen (in Japanese), Kyōto: Rinsen, published 1968, →ISBN.
• Tadakane, Tachibana; Atsuo Masamune (ed.) (c. 1177-1188) Iroha Jiruishō (in Japanese), Kazama Shobō, published 1971