Assertion: latin alphabet's letter | /r/CapableOf | become established
Facets:
Source sentences:
text: It was not until the Middle Ages that the letter W (originally a ligature of V and V) was added to the Latin alphabet, to represent sounds from the Germanic languages which did not exist in medieval Latin, and only after the Renaissance did the convention of treating I and U as vowels, and J and V as consonants, become established.