Etymonline.com Historical early 15c., "of or pertaining to history, conveying information from the past," with -al (1) + Latin historicus "of history, historical," from Greek historikos "historical; of or for inquiry," from historia (see history). For sense differentiation, see historic. Meaning "narrated or mentioned in history" (as opposed to what is fiction or legend) is from 1843. Related: Historically. Theology mid-14c., "the science of religion, study … Continue reading Historical Theology