lengthening

Etymology
From.

Noun

 * 1) The process of making or growing longer.
 * 2)  a type of sound change when a sound (especially a vowel) lengthens
 * 1)  a type of sound change when a sound (especially a vowel) lengthens

Translations

 * Finnish:
 * French:
 * Galician:
 * German:
 * Greek:
 * Ancient: ἐπέκτασις
 * Hungarian:
 * Japanese: