human / person / people / individual / man / woman / someone

first, initial / one-eyed

“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

hundred / a very many, lots, a lot / one hundred years old, advanced age

(obsolete) hundred / (obsolete) a very many

(archaic) hundred / (archaic) a very many

hundred

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

classicism

classical (literature etc.)