English
grassoline
Blend of grass + gasoline.
Proto-Indo-European *gʰreh₁- ‘to grow’
Proto-Germanic *grasą
Proto-West Germanic *gras
Old English græs
Middle English gras ‘a grass’
English grass
Today it means
noun Gasoline produced from grass.
Language periods are conventional ranges, not dates for this word.
Etymograph / grassoline