Entre deux guerres is a French term which means literally between two wars, but has acquired a particular meaning and is now usually used to represent the period between World War I and World War II.
... on the region
l^i = l + r^i
(Sanskrit recognizes vocalic r (errr) and l (ulll), unlike, say, English)
Diphthongs (Combinations of Simple Vowels)
e - hay
ai - ...