进九 jìnjiǔ to enter the coldest days of winter Origin Definitions Defs Strokes Stroke Words Sentences Sents 进 進 jìn verb to enter To go or come into; to move from the outside to the inside.九 jiǔ nine-day period (bound form) any of the nine nine-day periods following the winter solstice, collectively known as the eighty-one days of winter