Icelandic and Faroese have the "pre" form of this feature, appearing before consonants.
Proto-Indo-European voiced consonants could have this feature while voiceless ones could not. This feature was lost in Avestan, though it remained in Greek and Sanskrit except when two segments with this feature are present in a word, in which case the first segment loses this feature, a rule known as Grassman's Law. Icelandic and Faroese have the "pre" form of this feature, appearing before consonants. Grimm's Law describes the progression of stops with this feature into voiced fricatives and then voiced stops. In English, the voiceless plosives p , t, and k gain this feature when word-initial or when beginning a stressed syllable. It is indicated by a superscript h in the International Phonetic Alphabet. FTP, name this phonetic feature characterized by the release of air along with a consonant.
Proto-Indo-European voiced consonants could have this feature while voiceless ones could not.
aspiration