diphthongation
English
Etymology
From
diphthong
+
-ation
.
Noun
diphthongation
(
plural
diphthongations
)
diphthongisation
References
“
diphthongation
”, in
Webster’s Revised Unabridged Dictionary
, Springfield, Mass.:
G. & C. Merriam
,
1913
,
→OCLC
.