'baryphonia' originates from Greek, specifically the words 'barys' and 'phōnē', where 'barys' meant 'heavy' and 'phōnē' meant 'voice'.

'barys' + 'phōnē' formed Neo-Latin 'baryphonia', used in medical terminology, and the term entered English from Neo-Latin usage.

Initially, it meant 'heavy voice', and over time it has retained this meaning as 'an abnormally deep or heavy voice' in medical contexts.