::Does [http://books.google.com/books?id=fw8YAAAAYAAJ&pg=PA604&lpg=PA604&dq=quinque+flumina+india&source=bl&ots=qJgKJIRXAT&sig=L7GhQ2K2PnBksB5YWPgCbmYN4WU&hl=en&sa=X&ei=LqZNU4ikAePQsQTpqYH4BA&ved=0CCoQ6AEwAQ#v=onepage&q=quinque%20flumina%20india&f=false ''Panjábi''] imply a nominative ''Panjabu(m,s)''? In any case (sic!), it would seem to support ''lingua Panjabica.'' [[Usor:IacobusAmor|IacobusAmor]] ([[Disputatio Usoris:IacobusAmor|disputatio]]) 21:42, 15 Aprilis 2014 (UTC)
:::I can't access that page, but I think the answer is that unluckily it doesn't imply such a nominative: it is probably a feminine nominative singular itself.
:::It certainly does confirm that for accuracy we should prefer two ''a''s,