- propane (n.)
[propane 词源字典]
- "colorless gas occurring in petroleum," 1866, with chemical suffix -ane + prop(ionic acid) (1850), from French propionique (1847), from Greek pro "forward" (see pro-) + pion "fat" (see fat (adj.)), in reference to its being first in order of the fatty acids.[propane etymology, propane origin, 英语词源]