故ゆえありげ

na-adjective

seeming to have a reason; appearing to be for some cause

Archaic adjectival noun describing someone or something that looks like there is a particular reason or circumstance behind it. Not used in modern Japanese.

• 彼かれの故ゆえありげな様よう子すに、皆みなが気きづいた。

  Everyone noticed his manner that seemed to have some reason behind it.