peculiar to early spanish (as in the gascon dialect of occitan, and possibly due to a basque substratum) was the mutation of latin initial f- into h- whenever it was followed by a vowel that did not diphthongate.
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Peculiar to early Spanish (as in the Gascon dialect of Occitan, and possibly due to a Basque substratum) was the mutation of Latin initial f- into h- whenever it was followed by a vowel that did not diphthongate.