Panax ginseng (Chinese ginseng)

pentathlon

Alternative spelling of 五種競技 (“pentathlon”)

(medicine) milium

Kyūjitai form of 外来種: introduced species

Alternative form of 稗粒種 (hiryūshu, “milium”)

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds