Actus is where English gets act from and it is Latin. It is the past perfect participle of ago, which means to move, set in motion, lead, excite, govern, do... Ago is one of the most common Latin words and has cognates in Greek, Sanskrit, and German.
The prefix "nov" is Latin. It comes from the Latin word "novem," meaning nine.
"Against" is the English equivalent of the Greek prefix "anti-." The preposition contra is the Latin equivalent. An English derivative of the Greek prefix is the noun "antagonist." An English derivative of the Latin equivalent is the adjective "contrary."
The prefix "mis-" is of Latin origin. It is commonly used to indicate a sense of wrongness or badness.
The prefix "ped" is of Latin origin. It comes from the Latin word "pes" which means "foot".
It' s greek. Χρόνος (khronos) in greek means time.
The prefix "mono-" derives from the Greek language. The equivalent Latin prefix would be "uni-".
The prefix "nona-" is Latin. It is derived from the Latin word "nonus" meaning "ninth."
Hyper/Hypo are from Classical Greek.
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 .
Greek and Latin and Sanskrit.
Penta is of Greek origin.
The prefix "nov" is Latin. It comes from the Latin word "novem," meaning nine.
prefix meaning fast
If you mean the prefix "uni-" (unicellular, etc.), then it comes from the Latin word unus, meaning "one". (The nearly-equivalent prefix "mono-", however, comes from Greek.)
Con-, com-, or co- is the Latin-derived prefix denoting the condition of being or doing together; syn- or sym- is the Greek-derived equivalent.
Spect- is Latin for See or Look
Greek klados - to strike