The story
- Proto-Indo-European*gʷeyh₃-
- Ancient Greekβῐ́ος (bĭ́os)
- Ancient Greekβῐο- (bĭo-)
- Englishbio-
- Ancient Greekὑδρο- (hudro-)
- Frenchhydro-
- Frenchhydrogène
- Englishhydrogen
- English todaybiohydrogen
Etymology from Wiktionary, CC BY-SA 4.0.
biohydrogen
Today it means: hydrogen produced biologically (mostly by bacteria) as a biofuel Full definition →
English hydrogen ← French hydrogène ← Ancient Greek ὑδρο- (hudro-)