原げん基き

noun

primordium; anlage; rudiment

Technical term in biology and embryology for the earliest stage of an organ or structure during development.

• 肢し芽がは四し肢しの原げん基きである。

  The limb bud is the primordium of the limbs.

noun

root; foundation; basis

Rare general use meaning the fundamental origin or basis of something. Mostly replaced by 根源 or 基礎 in modern Japanese.

• この思し想そうは近きん代だい科か学がくの原げん基きとなった。

  This idea became the foundation of modern science.