a Japanese noun that can be grammaticalized and nominalize clauses

(linguistics) nominalization

(grammar) common noun

(grammar) proper noun

noun substantive

one-eyed goblin, a Japanese monster

chickens come home to roost, so you should be prepared for your curse to come back to you. Also said to admonish someone against cursing another person casually.

“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