Week 8: Light from the West

Arianism The doctrine that the members of the Trinity are not coeternal: instead, the Son was created by the Father and is accordingly subordinate to him (cf. Io 14:28). The early medieval version of Christianity espousing this doctrine is likewise known as Arianism or Arian Christianity and was popular among the Goths, Lombards, and Vandals especially in the fourth century CE. Antonym: Trinitarianism.
High German Consonant Shift A series of consonant changes that took place between the third and ninth centuries CE and caused High German to diverge from the other Germanic languages: Affe, Apfel, and essen correspond to ape, apple, and eat
Isogloss A geographical dividing line between two linguistic features
Limes germanicus A system of Roman border defences stretching from present-day Katwijk to Mainz along the Rhine and then on to about Regensburg along the Danube