He made important contributions to the study of historical Chinese phonology.
He is known for his studies of the historical phonology of Chinese.
From 1952 to 1967, he served as a professor of the history of Albanian language and historical phonology.
There are several criteria to date such borrowings, the most reliable ones coming from historical phonology.
More than likely, he would have begun again, refining the historical phonology - and perhaps never yet reaching the Verb.
His research focuses on the historical phonology of Burmese.
Haudricourt is considered as the founder of the panchronic program in historical phonology.
There, he was able to clarify issues in the historical phonology of Asian languages, and to develop general models of language change.
Penzl's research included a wide variety of topics, but his main interests were Germanic historical phonology.
Carr (1995:13) cites Japanese tradition and historical phonology to support the latter etymon.