snail
Snail
snail
A snail!snail
Veil
veil
snail
veil
Yale rhymes with fail, tale, tail, veil, sale, ale, bail etc.
There is no prefix.
A veil is an article of clothing that is intended to cover the head or face.
The phrase means to reveal something that is hidden.
Calypso, in Greek means I will conceal or cover with a veil. It also means most beautiful.