schwa
noun /ʃwɑː/
  /ʃwɑː/
 (also shwa)
 (phonetics)- a vowel sound in parts of words that are not stressed, for example the ‘a’ in about or the ‘e’ in moment; the phonetic symbol for this, /ə/Topics Languageb2Word Originlate 19th cent.: from German, from Hebrew šěwā'.