travel clothes; traveling attire
Refers to clothing worn during a journey; somewhat literary or old-fashioned, but still understood.
旅衣を整えて、彼は長い旅に出た。
He prepared his travel clothes and set out on a long journey.
Compound of 旅 (tabi, 'travel') and 衣 (koromo, 'clothing'). The reading ごろも is a rendaku form of ころも.