まぐはひ

• (modernized) まぐわい (maguwai)

/maɡupapi/ → /maɡuɸaɸi/ → /maɡuwawi/ → /maɡuwai/.

The initial component is likely 目(ま) (ma), combining form of 目(め) (me, “eye”). The final component may be 合(あ)ひ (ai), modern 合(あ)い (ai), 連(れん)用(よう)形(けい) (ren'yōkei, “stem or continuative form”) of the verb 合(あ)う (au).

(modern)

• (Tokyo) まぐわい [màgúwáí] (Heiban – [0])
• IPA^(key): [ma̠ɡɯ̟β̞a̠i]

まぐはひ • (maguwai) 

1. (Classical Japanese) facing one another and being intimate
2. (Classical Japanese) copulation, intercourse
   • 712: Kojiki

     然者吾與汝行廻逢是天之御柱而、爲美斗能麻具波比。此七字以音。

• Kurano, Kenji with Yūkichi Takeda (1958), Nihon Koten Bungaku Taikei 1: Kojiki, Tōkyō: Iwanami Shoten, →ISBN