moderately
UK[ˈmɒd(ə)rətli]US[ˈmɑːd(ə)rətli]
adv
to a certain extent; fairly but not very
adv
within reasonable limits; not excessively
Morpheme Breakdown
moderate
ly
moderate
adj
ly
adverb suffix
Etymology
the word 'moderately' is built upon the adjective 'moderate', which traces its lineage to the latin 'moderatus', meaning 'restrained' or 'within bounds'. this, in turn, derives from the verb 'moderari' (to regulate, control) and the noun 'modus' (measure, manner), a concept rooted in the proto-indo-european root med- meaning 'to take appropriate measures'. the addition of the old english adverbial suffix '-ly' transforms the adjective into an adverb. thus, the literal progression from 'measure' to 'controlled' to 'in a controlled manner' perfectly encapsulates the modern meaning of doing something to a reasonable, not extreme, degree.
Analysis
Structure: moderate (adj) + ly (adverb suffix)
moderate (from latin 'moderatus', past participle of 'moderari' meaning to regulate, control, from 'modus' meaning measure, manner) + ly (from old english '-līce', an adverbial suffix forming adverbs from adjectives).
Examples
the film was moderately successful at the box office.
she performed moderately well in her exams, achieving mostly b grades.
season the sauce moderately with salt and pepper.