The Collaborative International Dictionary
Anlaut
Anlaut \An"laut`\, n. [G.; an on + laut sound.] (Phon.) An initial sound, as of a word or syllable.
Im anlaut, initially; when initial; -- used of sounds.
Wiktionary
anlaut
n. (context linguistics English) The first sound of a word (word-initial position) or syllable (syllable-initial position).