原げん

prefix

original; primitive; primary; fundamental; proto-

Prefix used in technical, scientific, and formal contexts to indicate something original, primitive, or fundamental. Often appears in compounds like 原始 (primitive), 原形 (original form), 原理 (principle), and 原生 (proto-).

• 原げん形けいをとどめていない。

  It does not retain its original form.

• 原げん生せい生せい物ぶつは単たん細さい胞ぼうの生せい物ぶつだ。

  Protozoans are single-celled organisms.