What is the meaning of -sti?
Derives adverbs.
Forms adverbs from adjectives describing the manner in which something is done; corresponds to the English suffix -ly.
Forms multiplicative adverbs describing how many times something is done; corresponds to the number + times structure in English.
Forms intensifying adverbs from certain nouns, which can be used with verbs or of large quantities.
Source: wiktionary.orgSearch words containing