Note 105 — Chapter III · THE THREE CAUSES OF CHANGE IN LANGUAGE.

On the other hand, the Asiatic members of the family have certainly lost the distinction that existed in the parent speech between the vowels represented in the European members by ă, ĕ, and ŏ, so that the differentiation of the root ar may have been earlier than the period of Aryan separation. In the Finnic group roots are similarly differentiated by a modification of the vowel, kah-isen, koh-isen, and kuh-isen, for instance, being “to hit” or “stamp,” käh-isen and köh-isen, “to roar,” keh-isen and kih-isen, “to boil.”