Augment (linguistics)
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In linguistics, the augment is a syllable added to the beginning of the word in certain Indo-European languages, most notably Greek (the augment survives and has been generalised in Modern Greek), Armenian, and the Indo-Iranian languages such as Sanskrit, to form the perfect, preterite, or aorist tenses.
For example, in Greek, the verb λέγω légo, “I say”, forms its preterite tense έλεγα; élega, “I was saying”. The initial ε e represents the augment.
Historical linguists are uncertain whether the augment is a feature that was added to these branches of Indo-European, or whether the augment was present in the parent language and lost by all other branches (see also Proto-Greek).
The term has also been extended to describe similar features in non-Indo-Europeans languages. For example, in Nahuatl, the perfect ō- prefix is called an augment.