Synonym of 姥貝 (“Spisula sachalinense”)

delicious, tasty, something that tastes good

one thing

delicious, good, tasty

first, initial / one-eyed

one-eyed goblin, a Japanese monster

“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