Short for 壱岐国 (Iki no kuni, “Iki Province”).

one

very, excellent

January / (archaic) the first month of the lunar calendar / one month

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

culture medium

(grammar) first person

the first / (mathematics, attributive) the quality of being first-degree

lychee (fruit)

one person / the first or top person in a particular place or field / Synonym of 右大臣 (udaijin): a minister of the right in the imperial Council of State