Language
history and change
family
trees
philology
Proto-Indo-European
Family
relationships
cognates
comparative
reconstruction
majority
principle
most
natural development principle
language
change
Old
English
Middle
English
Sound
change
metathesis
epenthesis
Syntactic
changes
lexical
changes
broadening
narrowing
diachronically
synchronically
مراجعة لغويات { Linguistics Revision }