[Gutenberg 45865] • The Tourist's Guide through the Country of Caernarvon / containing a short sketch of its History, Antiquities, &c.

[...] It would puzzle any one, unacquainted with the mistakes and blunders of transcribers, to conjecture how Toisobius should become Ptolemy's Conobius, or Conovius, (or Conovium) but when we reflect a little, it may be supposed, that the initial C, might be easily mistaken for T, and the v converted into b, so as to form Toinobius, instead of Coinovius. The derivation of the word Cynwy, seems to be, as Mr. Edward Llwyd conjectures, from Cyn, chief or principal, and Gwy, [...]."