初生

しょせい

firstborn, first-produced, newborn

初誕生

はつたんじょう

first birthday

初生児

しょせいじ

newborn baby

人生初

じんせいはつ

(for the) first time in one's life

初生値

しょせいち

initial ratio

初乗り

はつのり

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

初参り

はつまいり

first shrine visit of the New Year

初売り

はつうり

first business conducted by retailers in the New Year

初便り

はつだより

first letter (of the year, season, etc.); first correspondence

初競り

はつせり

first wholesale produce market of the year (usu. auction of seafood, fruit, etc.)

初滑り

はつすべり

first ski of the season, first ski run

初

はつ うい うぶ

innocent, naive, unsophisticated, inexperienced, green, wet behind the ears

生り

なり なまり

boiled and half-dried bonito

初っ切り

しょっきり

comic sumo performance

渡り初め

わたりぞめ

bridge-opening ceremony, first crossing of a bridge

初宮参り

はつみやまいり

first visit of a child to the shrine of its tutelary deity (usu. when the child is about 30 days old)

初生ひな鑑別師

しょせいひなかんべつし

chicken sexer

生まれて初めて

うまれてはじめて

for the first time in one's life

初回生産限定盤

しょかいせいさんげんていばん

first-run limited edition production recording