also: たれえい
hanging tail (of a traditional Japanese hat); drooping tail
Refers to the long, trailing fabric tail of a formal court cap (冠) or similar headgear, especially in historical or ceremonial contexts.
From the court cap of the sokutai attire, a long hanging tail hangs down the back.
Standard kanji form; reading すいえい is restricted to this spelling.
Alternate spelling with okurigana; reading たれえい is used with this form.
Compound of 垂 (hanging) and 纓 (cord or tail of a cap). The exact historical derivation is uncertain, but the term is conventionally associated with the trailing ornament of formal headwear.