Looks like it comes from the same root as "polemic", wwh. Here is the derivation of "polemic".
[French polémique, from Greek polemikos, hostile, from polemos, war.]
And the definition:
po·lem·ic (p-lmk)
n. A controversial argument, especially one refuting or attacking a specific opinion or doctrine.
A person engaged in or inclined to controversy, argument, or refutation.
Hence, "polemology": "the study of war"???

adj. also po·lem·i·cal (--kl)
Of or relating to a controversy, argument, or refutation.