Gh (digraph) - in Romanization

In Romanization

In the romanization of various languages, ⟨gh⟩ usually represents the voiced velar fricative (/ɣ/). Like ⟨kh⟩ /x/, ⟨gh⟩ may also be pharyngealized, as in several Caucasian and Native American languages. In transcriptions of Indo-Aryan languages such as Sanskrit and Hindi, as well as their ancestor, Proto-Indo-European, ⟨gh⟩ represents a voiced velar aspirated plosive /ɡʱ/ (often referred to as a breathy or murmured voiced velar plosive)