English
firmoss
From fir + moss.
Proto-Indo-European *perkʷ- ‘oak’
Proto-Germanic *furhō ‘fir, pine’
Proto-West Germanic *furhu ‘pine’
Old English furh ‘fir, pine’
Middle English firre ‘fir (Abies spp.)’
English fir
Proto-Indo-European *mews-
Proto-Germanic *musą ‘bog, moss’
Proto-West Germanic *mos
Old English mos ‘bog, marsh, moss’
Middle English mos
English moss
Today it means
noun Any of a group of lycophyte plants of the genus Huperzia
Language periods are conventional ranges, not dates for this word.
Etymograph / firmoss