properly

the adverb 'properly' is built upon the adjective 'proper', which entered english from old french 'propre'. this, in turn, derives from latin 'proprius', meaning 'one's own, particular, belonging to oneself'. the core semantic shift from 'belonging to oneself' to 'suitable, correct' is logical, as what is inherently characteristic or fitting to a thing is deemed appropriate for it. the adverbial suffix '-ly', of germanic origin, was attached to form a word describing the manner of doing something in a correct or suitable way. thus, 'properly' etymologically conveys the idea of acting in a manner that is fitting to the inherent nature or accepted standards of a situation.

Structure: proper (one's own, suitable) + ly (adverb suffix) proper (from latin 'proprius', meaning one's own, particular, suitable); ly (from old english '-līc', an adverbial suffix forming adverbs from adjectives).