nnp. na beru-sa,Éigse i 86.3 .Mainly in glossaries and B. na f. and expld. aswater;spring,well,stream: b.¤ .i. uisce . . . biror ┐ inbir ┐ tobur,Corm. Y 158. Berba .i. ber nó b.¤ ┐ ba . . . usce balb,Dinds. 13. `bior' ainm da gach uiscce,BNnÉ 235 § 156 . `bior' ┐ `an' is `dobhar' / trí hanmann uisge in domhuin,Metr. Gl. 12 § 15. as ionann bior ┐ uisge,O'Cl. dobur usce . . . nó b.¤ uisge isan bretnais,O'Dav. 745. uth bó bruithi do bior `boiled in water',MR 124.9 . fri do biur bus nairne,O'Dav. 202. b.¤ tipra nō srut[h],Corm. Y 121s.v. biror. b.¤ tiobra,Metr. Gl. 21 § 70 ,O'Cl. B. na f.: sēim nar bach na beru-sa (glossed .i. na huiscidi) mo c[h]odul (glossed .i. mo lethar) `these waters almost broke my shoes',Éigse i 86.3 .
pn As name of river: B.,LL 11048 (TBC-LL¹ 4226 ).
Compds. biorbhogha `a Rain Bow',Eg. Gl. 733. biorbuafan `water-snake', 732 . biordoras `a sluce or floudgate', 709 . .ix. ṁbunnsacha birgaissi ina laim `nine . . . osier-rods' (SG ii 200 ),Acall. 3798 (or fr.1 bir + gas ?).