I tried purchasing the digital versions of several of your books today. However, when the moment came to complete the purchase, instead of seeing the usual confirmation page and receiving the e-mail, the website redirected me to the shopping cart.
I have a theory which has been churning in the back of my mind for some time, and that is that Aroden actually chose to die in order to give humans free will.
As I said, since we don't have any samples of the languages themselves, there's no "correct" interpretation, so yours is just as good as anybody's. :)
Taldane (spoken in Taldor, Absalom, Lastwall and, unofficially, in the rest of the region) = elegant and refined, like Victorian English, but at the same time concise and practical, like today's English.
Here it is, sorry for the long post. There are dozens of other languages spoken in the Inner Sea Region.
The proto-language of the Thassilo-Varisian and Cheliax-Taldane languages is indeed Ancient Azlanti. Shadowtongue is a wholly artificial creation of the Umbral Court, from what I understand, hence my classification. The other families that didn't make it on the list are the Aklo family (which is spoken in the Darklands and includes Svirfneblin and Necril among others), the Ghol-Gan family, whose last representatives are modern Cyclops and Giant and the various Halfling languages, which are derived from human ones. Undercommon is a Sovyriani language, and Druidic counts as artificial. Other representatives of the Azlanti family include Jistka (which is the direct predecessor of Taldane and Chelish)and Thassilonian.
Though how do I know what groups to categorize these languages in? Most of them seem to have multiple influences and such.
Both my mothertongues, Italian and English, have heavy influences from other languages, the one from Arabic and Germanic, the other from French and Norse. No language is wholly of one family. The difficulty is deciding which family is predominant: in Italian's case, Romance, and in English, Germanic. As for Golarion, I suppose it's all a matter of personal preference and guesswork, since we don't have any actual samples of the languages themselves.
I'm a student of linguistics and a conlanger, so I've actually given this topic some thought. Here's what I came up with: I've divided the Inner Sea languages in various families, depending on the history of the nation. That in a whole continent only half a dozen languages are spoken is totally unrealistic, so I've given most nations their own language (e.g. Celiax has Chelish, Brevoy has Brevic etc.).