English
fountaingrass
From fountain + grass.
A compound of fountain + grass
Proto-Indo-European *dʰenh₂- ‘to flow’
…
Latin fons ‘source, spring’
Latin fontanus ‘bearing a relation to the spring or source’
Late Latin fontana ‘spring, fountain, source’
Old French fontaine
English fountain
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 Any of the genus Pennisetum of grasses.
Language periods are conventional ranges, not dates for this word.
Etymograph / fountaingrass