初(しょ)〜

しょ
prefix
first; initial; beginning
See also: 諸(しょ)〜 (various; many)
1. first; initial
Prefix indicating the first occurrence or beginning stage.
This is my first overseas trip.
初(はじ)めて = for the first time
The opening day performance was a great success.
初(しょ) + 日(にち) = first day
Even beginners can do it easily.
初(しょ) + 心(しん) + 者(しゃ) = beginner

初(しょ)〜 is a prefix meaning 'first' or 'initial.'

Compounds

PRONUNCIATION (other readings):
初(はつ)〜 is another reading used in compounds like:

These often relate to seasonal or personal 'firsts.'