-EST

Source: 567

–est (–ĕst). [[AS. -ost, -est; akin to G. -est, -ist, Icel. -astr, -str, Goth. -ists, -ōsts, Skr. -ishṭha.]] A suffix used to form the superlative of adjectives and adverbs; as, smoothest; earl(y)iest.