初

maiden flight (e.g. of an aircraft)

new or raw recruit

first flower of the season or year; first flowering on a plant

はつはな only

first menstruation

はつはな only

woman who has just reached adulthood

first "horse day" in any lunar month, but esp. the second lunar month; traditional day for worship at "fox deity" shrines

the first bonito of the season

beginning of the year

first Day of the Rat of the New Year

first Day of the Rat of the month (esp. of the 11th month)

Sumo

New Year's Tournament (held in Tokyo in January)

first frost of the year

first Bon Festival following the death of a family member

right of first night; jus primae noctis; droit du seigneur

start; first departure

starting salary; initial payment

being in someone's service for the first time; participating for the first time

visiting a shrine (or temple) for the first time

beginning student; beginner

first generation; founder

Noun or participle which takes the aux. verb suru

first ride (in a new vehicle, in the new year, etc.)

base-fare zone (of a train, taxi, etc.)

base fare; minimum fare; starting fare

learning (a subject) for the first time; start of one's study

beginning of the world

eating the first meal of soft rice (himeii) after the traditional hard rice of New Year (kowaii)

first intercourse of the New Year

Slang

loss of virginity; loss of maidenhead

first appointment (to a post)

the industry's first ...

original intention

first word (of an infant)