noun which may take the genitive case particle 'no'
naturally derived; naturally occurring
Used to describe substances, ingredients, or phenomena that originate from nature rather than being synthetic or artificial. Often appears in technical, scientific, or product-label contexts.
This cosmetic is made only from naturally derived ingredients.
Naturally occurring radioactive materials are widely present in the environment.
天然 means 'natural' broadly, while 天然由来 specifically emphasizes that something is derived or sourced from nature.
人工 means 'artificial' or 'man-made', the opposite of 天然由来.
Compound of 天然 (natural) and 由来 (origin, derivation). The exact historical derivation is uncertain, but the term is a straightforward modern technical compound.