-EST
Meaning of -EST in English
suffix
(makes superlative adjectives and adverbs):
widest
biggest
happiest
soonest
—compare -er
••
WORD ORIGIN
Old English -ost- , -ust- , -ast- .
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005