From the Latin "pro-iacio" which means "I fling forward" or, alternatively, "I throw up."
You decide.

A is for Allegory
My very first site
With which I have to be patient
It still isn't quite right.
B is for backgrounds
Which you may want to use.
I keep them here
You have only to choose.
C is for caffeine
Which I can't live without.
Here's a website about it
You may want to check out.
Don't know what D is for a the moment.