The word "upwardly" is a modern English formation built upon the directional adjective "upward," which itself has ancient Germanic roots. Its core component, "up," descends from the Proto-Indo-European root upo, meaning "under, up from under," which evolved in Proto-Germanic to signify "up." The suffix "-ward," from Old English -weard, denotes direction or tendency. The final adverbial suffix "-ly" is a prolific Germanic element used to create adverbs. Thus, the literal construction "in the direction of up" logically extends to describe both physical orientation and metaphorical progression, such as social or economic mobility.

Structure: upward (toward a higher point) + ly (adverb-forming suffix) - upward: From Old English upweard, combining up (Old English, meaning "to a higher position") and -weard (Old English, meaning "in the direction of"). - ly: From Old English -līce, an adverbial suffix used to form adverbs from adjectives or nouns.