English
radio-
Radio- comes from Latin radius ‘ray’.
- Latinc. 75 BCE–200 CEradius‘ray’
- Englishtodayradio-
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Earlier history uncertain.
Lineage
- Latinc. 75 BCE–200 CEradius‘ray’
- Englishtodayradio-
Linked words
through Latin radius ‘ray’
ray, laser, radiation, radius, radiant, radial, rayon, radiate, 7 more
Today it means
prefix radiation, radioactive
Language periods are conventional ranges, not dates for this word.
Etymograph / Latin radius / radio-