It is generally accepted that the etymology of the Gāndhārī and Sanskrit official title guśura(ka)- has to be sought within the Iranian sphere, but the details remain debatable. In this article, I... Show moreIt is generally accepted that the etymology of the Gāndhārī and Sanskrit official title guśura(ka)- has to be sought within the Iranian sphere, but the details remain debatable. In this article, I first give an overview of recently discovered evidence for an early sound change of *w- > *γw- in some Iranian dialects from the Indo-Iranian borderlands. On this basis, I then propose to derive guśura(ka)- from a dialect form such as *γwazurg / *γwuzurg / *γuzurg < *wazr̥ka- ‘strong’. Two by-products of this article are a new Bactrian etymology for the Gāndhārī personal name G̱aṇavhryaka and some notes on the etymology of the Gāndhārī title sturaka-*. Show less