What does 初～ mean?
初～ is a Japanese prefix meaning “first ~ (prefix)” in English. It is written as 初～ in kanji, しょ～ in hiragana, and sho～ in romaji. This word is part of JLPT N2 vocabulary.
NotePrefix for the first or initial (初日 = first day, 初対面 = first meeting). Read はつ in some words (初雪 = first snow).
Example sentences
今日は舞台の初日だ。
Today is the first night of the play.
彼とは初対面だった。
It was the first time I'd met him.