Meanings

something heard for the first time

first 10 days of the month

first snow (of the season)

first rank in the senior class (in martial arts, go, etc.)

beginning (of a century, etc.)

first edition

first love

first

early summer

initialization (of a variable)

initial investment

one's original intention

first appearance

one's original intention

first generation

first (written) contribution

colostrum

first dream of the New year (believed to foretell one's luck)

to begin to

temporary