The lost sound of Old English you no longer speak
Most modern English speakers have never heard a voiced velar fricative. While absent from contemporary varieties of English, this specific vibration of the vocal cords once shaped the language's past, hiding in the narrow channels of ancient speech.
The voiced velar fricative, represented in the International Phonability Alphabet by the symbol ⟨ɣ⟩, is a consonant defined by a precise physical mechanism. To produce it, the speaker uses the dorsum—the back of the tongue—to press against the soft palate. Unlike nasal sounds, this is an oral consonant, meaning air is prevented from escaping through the nose. Instead, the air is pushed via the pulmonic airstream mechanism, using the abdominal and intercostal muscles to force breath through a narrow channel, creating characteristic turbulence.
While this sound is a staple of Modern Greek, it has largely vanished from most varieties of Modern English. However, it was a functional component of Old English. The symbol ⟨ɣ⟩ is a Latinized version of the Greek letter gamma (⟨γ⟩), which retains this specific sound. Linguists must be careful with notation, however; the symbol ⟨ɣ⟩ is occasionally used to represent the velar approximant, though a more precise notation uses a lowering diacritic, [ɣ̞] or [ɣ<0xCB><0x95>]. The IPA also offers a dedicated symbol, [ɰ], for the velar approximant.
The complexity of velar sounds extends into more nuanced territory. Some sounds categorized as post-velar may actually function as fricative trills, and there exists a related voiced post-velar (or pre-uvular) fricative found in certain languages. In the study of phonetics, distinguishing between these subtle shifts in the tongue's position—whether the air is directed down the midline as a median consonant or allowed to escape through the sides—is essential for mapping the true diversity of human speech.
Source: Voiced velar fricative
