略りゃく装そう

noun, noun which may take the genitive case particle 'no'

informal attire; ordinary dress; demitoilet

Refers to clothing that is less formal than full dress, such as semi-formal or everyday wear. The gloss 'demitoilet' is an older or specialized term for semi-formal attire; modern usage favors 'informal attire' or 'ordinary dress'.

• 式しき典てんでは略りゃく装そうが認みとめられている。

  Informal attire is permitted at the ceremony.

• 略りゃく装そうでお越こしください。

  Please come in ordinary dress.