From Wiktionary, the free dictionary
From Old Irish remor (“fat, stout, thick”), from Proto-Celtic *remros (“great, fat, thick”). Cognate with Irish ramhar and Scottish Gaelic reamhar.
roauyr
- fat
- Cha row rea lhean lheeah rieau roauyr. A wide grey ram was never fat.
- Yn partan ta dy-kinjagh 'sy towl echey cha vel eh rieau roauyr. The crab which is always in its hole is never fat.