頭文字

1. Origins, structure, and basic meaning

• Structure: 頭文字 (かしらもじ) combines head 頭 and character 文字 to denote an initial or first letter.
• Basic usage: It is used to form a team name from names or to read the first character of successive sentences.

2. Common pitfalls and similar expressions

• A first character, not the whole first word
  • 頭文字 isolates the leading written character, so its scope can be narrower than the first word of a phrase.