1.
beginning, early part (of a period)
The opening phase of a time period such as a century, decade, year, or month. Typically attaches to a time word to specify the early portion.
20世紀初頭のことだ。
It was at the beginning of the 20th century.
2000年代初頭にインターネットが急速に普及した。
The internet spread rapidly in the early 2000s.
明治時代初頭に日本は近代化への道を歩み始めた。
At the beginning of the Meiji era, Japan started on the path to modernization.
初頭 means the beginning or early part of a time period. Composed of 初 (first, beginning) + 頭 (head). Almost always follows a time-period noun.
COMMON COLLOCATIONS:
- 世紀初頭: beginning of a century
- 年代初頭: beginning of a decade
- 年初頭: beginning of the year
- 21世紀初頭: early 21st century
- 2000年代初頭: early 2000s
REGISTER:
Used in written and formal contexts — news, academic writing, history. Rarely used in casual conversation.
TIME PERIOD TERMS:
- 初頭: beginning (formal)
- 中頃: middle
- 後半: latter half
- 末/末期: end
SIMILAR WORDS:
- 冒頭: opening, beginning (of a speech, book, etc. — not time periods)
- 当初: initially, at first