今秋[konshuu] this (next, last) autumn (fall)
三尺の秋水[sanjakunoshuusui] sharpened sword
三秋[sanshuu] three autumn months
三秋の思い[sanshuunoomoi] longing for loved ones

秋の色[akinoiro] autumnal tints
秋雨[akisame] autumn rain
秋気[shuuki] autumn air
秋口[akiguchi] beginning of autumn

茜さす空[akanesasusora] glowing sky
茜色[akaneiro] madder red
茜の根[akanenone] madder root

秋茜[akiakane] var. of red dragonfly (Sympetrum frequens)
蝦夷茜[ezoakane] yellow-winged darter (Sympetrum flaveolum)