ten
The Latin prefix meaning a billion multiples is "giga".
prefix meaning fast
'di' is a prefix, not a suffix, and it means 'two'
quint or quinque
The Latin prefix for "before" is "pre", smart guy.
The previous answer here was "greek". Unfortunately, this is incorrect; perhaps it was a guess? The correct answer is Latin; reference: http://en.wikipedia.org/wiki/Greek_and_Latin_roots_in_English .
The prefix "nov" is Latin. It comes from the Latin word "novem," meaning nine.
The prefix "nona-" is Latin. It is derived from the Latin word "nonus" meaning "ninth."
The prefix is tera-.
di-
De
Greek: di- means two eg: dioxide di- means across/apart eg: diagonal Latin: di- means away eg: digress