From Middle English mos, from Old English mos (“bog, marsh, moss”), from Proto-West Germanic *mos, from Proto-Germanic *musą (“bog, moss”), from Proto-Indo-European *mews- (“moss”). Cognates Cognate with North Frisian möösk (“moss”), Saterland Frisian Moas (“moss”), West Frisian moas (“moss”), Alemannic German Mies (“moss”), Dutch mos (“moss; lichen; marsh, swamp”), German and Luxembourgish Moos (“moss”), Low German Moss (“moss”), Danish mos (“moss”), mose (“bog; moor”), Faroese and Icelandic mosi (“moss”), Norwegian Bokmål mose (“moss”), Norwegian Nynorsk mose, Swedish mossa, mosse (“raised bog”); also Latin muscus (“moss”), Bulgarian мъх (mǎh, “moss”), Czech and Polish mech (“moss”), Macedonian мов (mov, “moss”), Russian and Ukrainian мох (mox, “moss”), Serbo-Croatian ма̀ховина, màhovina (“moss”), Slovak mach (“moss”), Slovene mah (“moss; raised bog; marsh; velvet; down, fluff”), Armenian մամուռ (mamuṙ, “moss”). Doublet of mousse.
1
Any of various small, green, seedless plants growing on the ground or on the surfaces of trees, stones, etc.; now specifically, a plant of the phylum Bryophyta (formerly division Musci).
Another says you should tense your body, look up in the air, and think about cool moss.1989, Michael Sky, Dancing with the Fire, page 54:
2
A kind or species of such plants.
3
Informal Any alga, lichen, bryophyte, or other plant of seemingly simple structure.
From Middle English mos, from Old English mos (“bog, marsh, moss”), from Proto-West Germanic *mos, from Proto-Germanic *musą (“bog, moss”), from Proto-Indo-European *mews- (“moss”). Cognates Cognate with North Frisian möösk (“moss”), Saterland Frisian Moas (“moss”), West Frisian moas (“moss”), Alemannic German Mies (“moss”), Dutch mos (“moss; lichen; marsh, swamp”), German and Luxembourgish Moos (“moss”), Low German Moss (“moss”), Danish mos (“moss”), mose (“bog; moor”), Faroese and Icelandic mosi (“moss”), Norwegian Bokmål mose (“moss”), Norwegian Nynorsk mose, Swedish mossa, mosse (“raised bog”); also Latin muscus (“moss”), Bulgarian мъх (mǎh, “moss”), Czech and Polish mech (“moss”), Macedonian мов (mov, “moss”), Russian and Ukrainian мох (mox, “moss”), Serbo-Croatian ма̀ховина, màhovina (“moss”), Slovak mach (“moss”), Slovene mah (“moss; raised bog; marsh; velvet; down, fluff”), Armenian մամուռ (mamuṙ, “moss”). Doublet of mousse.
Although I really shouldn't... I feel like cracking this stout and just mossing in the sun with a splif. Shit, maan. Its^([sic]) relaxation time!2014 August 29, @7oneZ_FuckTDSB, Twitter: