from The Century Dictionary and Cyclopedia
- n. An old Italian dance, or the music for such a dance: probably the same as pavin, but often confused with passepied. It is known in English as passa-measure, passy-measure, passing-measure, etc. Also spelled passemezzo.
Sorry, no etymologies found.
 The passamezzo, passy-measure or half-measure was a popular
"Dick, if thou keep not off my heels in the passamezzo --"
For the foot-tapping, we must turn to the folksy Balkan dance melodies, the bumpy 'New Age' arrangement of a passamezzo by Mainerio and Pickett's bongo-enhanced version of a chanson by Le Jeune.
There were dances and songs -- a sailor's contra-dance to the music of a horn pipe, a stately passamezzo by the Indian court, a madrigal and an ode in compliment to the Queen. [