幽ゆう契けい

noun

secret promise made to the gods

A classical or literary term for a hidden vow or covenant with a deity. Not used in everyday speech; encountered mainly in old texts or poetic descriptions of divine pledges.

• 古ふるい物もの語がたりには、神かみと交かわした幽ゆう契けいが語かたられることがある。

  In old tales, a secret promise made to the gods is sometimes recounted.