long / (time) long, lengthy

all day

the first day of the month (solar or lunar calendar)

(obsolete) one day, 24 hours / (obsolete) the daytime, the period from dawn until dusk

(rare, obsolete) (all senses appear to be identical as for hitohi above)

(literary) one day, 24 hours / (literary) the daytime, the period from dawn until dusk / (literary) (figuratively) a short period of time

a straight temper line on a blade

immediately, instantly

(rare) male bear

(Classical Japanese, archaic) to pass; to go beyond / (Classical Japanese, archaic) to elapse; to exceed