Amphoric sound – a sound made by blowing across the mouth of a bottle or jug.  In medical terminology, amphoric sound is an abnormal, resonant, hollow, blowing sound heard with a stethoscope over the thorax. It indicates a

cavity opening into a bronchus or a pneumothorax.

(From the free Medical dictionary).

Amphora comes from the Greek words ἁμφί (on both sides) and φέρω (I carry, I bear)

Here is Amphoric sound in a patient: