The second is predictive gemination of initial consonants on morpheme boundaries.
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When I sow basil, for example, I plant five or six seeds to insure good gemination.
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As in most other Ethiopian Semitic languages, gemination is contrastive in Amharic.
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Historically, morpheme-boundary gemination is the result of regressive assimilation.
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Gemination is distinct from stress and may appear independently of it.
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Ganda is unusual in that gemination can occur word-initially, as well as word-medially.
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It seems to depend on gemination, but it has apparently not been systematically investigated.
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The reverse of gemination is the process in which a long consonant is reduced to a short one.
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Class-one verbs with short roots exhibit gemination of the final stem consonant in certain forms.
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More examples
The doubling of a word or phrase (as for rhetorical effect)
Duplication: the act of copying or making a duplicate (or duplicates) of something; "this kind of duplication is wasteful"
(geminate) a doubled or long consonant; "the `n' in `thinness' is a geminate"
(geminate) pair: occur in pairs
In phonetics, gemination happens when a spoken consonant is pronounced for an audibly longer period of time than a short consonant.
The phenomenon of gemination arises when two teeth develop from one tooth bud and, as a result, the patient has an extra tooth, in contrast to fusion, where the patient would appear to be missing one tooth. ...
(geminated) Lengthened (said of consonants), or doubled. Geminated consonants are unknown in English, but appear in many other languages, like Italian (written as double consonants: pizza, otto, Massimo, doppo).
Describes the rare event where one tooth twins or divides to become two teeth. Opposite to fusion.
A single tooth bud that divides and forms two teeth.