Mmm - weirdly, for some reason I always assumed it meant 'good' as it does in Swedish. Cymande were British - so there could be a scando britiish isle origin thing going on.
Scottish National Dictionary (1700–)Hide Quotations Hide Etymology Cite this entryBRAW, Bra', Braa, Bragh, adj. and adv. Cf. also Brave. [brɑ: + a: I.Sc., n.Sc.; br: em.Sc., wm.Sc.; brɒ: sm.Sc., s.Sc.]
1. adj.
(1) (a) Of things: fine, splendid, illustrious; also used ironically. Gen.Sc.
Sc. 1816 Scott B. Dwarf x.:
And
I'll tell ye, grannie, it's needless to sit rhyming ower the stile of
a' your kith, kin, and allies, as if there was a charm in their braw
names to do us good.Then again:
“Bra” is Jamaican slang for “brother,”
according to the Dictionary of Jamaican English. It was first recorded
in that form in 1943, which of course means that it could have been
widespread in Jamaican slang by 1967-1968. Interestingly enough, “bra” is a shortened form of the Jamaican slang “bro'er” from 1907
Double play on words?