From Old Japanese.

Compound of 漕ぎ (kogi, “paddling, rowing”, the 連用形 (ren'yōkei, “stem or continuative form”) of verb 漕ぐ (kogu), “to paddle, row”) +‎ 出づ (izu, “to depart, leave”, archaic).

漕(こ)ぎ出づ(いず) • (kogiizu) ^{←こぎいづ (kogiidu)?}intransitive ^†nidan

1. (archaic) to propel a boat to sea
   • 905–914, Kokin Wakashū (book 9, poem 407; also Hyakunin Isshu, poem 11)

     わたの原(はら)やそ島(しま)かけて漕(こ)ぎいでぬと人(ひと)には告(つ)げよあまのつり舟(ぶね)

     wata no hara yaso shima kakete kogiidenu to hito ni wa tsugeyo ama no tsuribune

     Tell them, o fishing boat, that I have rowed out on the wide sea plain set with countless islands.

• 漕(こ)ぎ出(い)だす (kogiidasu)
  • 漕(こ)ぎ出(だ)す (kogidasu)

Compound of 漕ぎ (ko₂gi₁, “paddling, rowing”, the 連用形 (ren'yōkei, “stem or continuative form”) of verb 漕ぐ (ko₂gu), “to paddle, row”) +‎ 出づ (idu, “to depart, leave”).

漕ぎ出づ (ko₂gi₁idu) (kana こぎいづ)

1. to propel a boat to sea
   • c. 759, Man’yōshū, book 1, poem 8:
     , text here

     熟田津爾船乘世武登月待者潮毛可奈比沼今者許藝乞菜

     Niki₁ta-tu ni punano₂ri semu to₂ tuki₂ mateba sipo mo kanapi₁nu ima pa ko₂gi₁idena

     We've waited for the moonrise before boarding ship in Nikitatsu harbor; now the tide is full―let us row out to sea!

• 漕ぎ出 (ko₂gi₁du)

• Japanese: 漕ぎ出づ (kogiizu)