乍

乍 is considered an ideographic or simple form representing a sudden or momentary action.

Its structure suggests something appearing or happening abruptly, which led to meanings like “suddenly” or “momentarily.”

Semantic development:

- sudden occurrence;

- short duration;

- brief or temporary state.

乍 is rarely used in modern Korean vocabulary, but appears in classical contexts with the meaning “briefly” or “suddenly.”

The character conveys a nuance of suddenness combined with brevity.

In Chinese, 乍 is commonly used in expressions like 乍看 (at first glance).

In Japanese, it appears in 乍ら (ながら), meaning “while” or “although.”

Related characters:

忽 — suddenly

暫 — temporarily

瞬 — moment; instant