proportionally
UK[prəˈpɔːʃənəli]US[prəˈpɔːrʃənəli]
adv
in a way that corresponds in size, amount, or degree to something else
adv
in a way that maintains a constant ratio or relationship between parts
Morpheme Breakdown
pro
portion
ally
pro
for, forward, in front of
portion
a share, part
ally
Etymology
the word 'proportionally' is built upon the core latin noun 'portio', meaning 'a share or part', which itself derives from the proto-indo-european root per- (to grant, allot). the prefix 'pro-' adds a sense of 'forward' or 'in relation to', transforming the concept from a mere part into a comparative relationship of parts. the addition of the adjectival '-al' and adverbial '-ly' suffixes grammaticalizes the noun into an adverb describing an action performed in a manner that maintains a consistent quantitative relationship. thus, the modern abstract meaning of 'correspondingly in size or degree' logically evolves from the ancient idea of a forwarded or related allotment.
Analysis
Structure: pro + portion + ally
pro- (latin origin, prefix meaning 'for, forward, in front of')
portion (latin origin, noun base meaning 'a share, part')
-ally (latin/french origin, adverbial suffix forming adverbs from adjectives ending in -al)
Examples
funding is allocated proportionally based on the number of students enrolled.
the ingredients must be increased proportionally to serve more guests.
as the company grows, expenses tend to rise proportionally.