science-based

The compound adjective 'science-based' is a modern formation that transparently combines two established English words. The first element, 'science', traces its lineage to the Latin verb scire, meaning "to know", which evolved into scientia signifying systematic knowledge. The second element, 'based', originates from the Latin basis, meaning a foundation or pedestal, which entered English via French. The logic of the compound is direct and literal: something that is "science-based" is figuratively built upon the foundation of scientific knowledge and methodology, reflecting a 20th-century emphasis on empirical evidence and systematic inquiry as the grounds for decisions, policies, or products.

Structure: science (knowledge) + based (founded) - science: From Latin scientia (knowledge), from scire (to know). Functions as the core noun, specifying the source or foundation. - based: From the past participle of the verb base, from Old French baser (to found), from Latin basis (foundation, pedestal). Functions as a participial adjective suffix meaning "founded upon" or "grounded in".