balas ruby
Concise Oxford English Dictionary © 2008 Oxford University Press:
balas ruby /ˈbaləs/
▶noun a ruby of a delicate rose-red variety.
– origin ME: from OFr. balais, from Arab. balaḵš, from Pers. Badaḵšān, a district of Afghanistan where it is found.
'balas ruby' also found in these Oxford entries:

