越冬[ettou] passing the winter
夏炉冬扇[karotousen] summer fires and winter fans
旧冬[kyuutou] former winters
厳冬[gentou] severe winter
今冬[kontou] this winter

三冬[santou] three winter months
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
初冬[shotou] early winter
真冬[mafuyu] midwinter
暖冬[dantou] mild winter

杪葉[ureha] end leaves
杪春[byoushun] end of spring
杪秋[byoushuu] end of autumn (fall)

杪冬[byoutou] end of winter
杪欏[hego] Cyathea spinulosa (species of tree fern)
樹杪[jushou] treetop