Re: Sound changes giving rise to dental fricatives

Peter Bleackley wrote:
> What kind of sound changes can give rise to dental fricatives? I can
> imagine [T] arising from [t], [s] and possibly even [f] and [D] from the
> corresponding voiced sounds, but in what environments would this be likely
> (apart from Greece)?
I don't have my book on the historical phonology of Algonquian
in front of me, but IIRC in Arapaho the phoneme /T/ arose from
the voiceless lateral fricative /K/. I believe in some other
Algonquian languages, an even earlier /T/ became /n/!

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