täishääli
Täishääli is an Estonian term that translates to "full vowel" or "complete vowel." It refers to a vowel sound that is pronounced with its full duration and without any significant shortening or reduction. In Estonian phonology, täishääli are contrasted with shortened vowels or diphthongs, where the vowel sound might be briefer or involve a glide to another vowel.
The concept of täishääli is important in Estonian for distinguishing between words that might otherwise sound