What's the difference between i.e. and e.g.?
1839, from French toxicologie (1812), from comb. form of Greek toxikon "arrow poison" (see toxic) + -logia (see -logy).
toxicology tox·i·col·o·gy (tŏk'sĭ-kŏl'ə-jē)n. The study of the nature, effects, and detection of poisons and the treatment of poisoning.