昨さく暁ぎょうさくぎょうMeanings1noun, adverbearly yesterday morningRare literary word for the early morning of the previous day. In modern Japanese, 昨日の早朝 or 昨日の明け方 are far more common.昨さく暁ぎょう、庭にわに霜しもが降おりていた。Early yesterday morning, frost had formed in the garden.