What's the difference between i.e. and e.g.?
mid-15c., "the breaking of an agreement," from Middle French infraction and directly from Latin infractionem (nominative infractio) "a breaking, weakening," noun of action from past participle stem of infringere (see infringe).
infraction in·frac·tion (ĭn-frāk'shən)
A bone fracture, especially one without displacement.