the word 'spiritually' is built upon the latin noun 'spiritus', which originally meant "breath" or "breeze," a concept intimately linked to the animating principle of life. this evolved in christian latin to denote the holy spirit and the non-corporeal aspect of a person. the adjective-forming suffix '-ual' (via old french from latin '-alis') was attached to create 'spiritual', meaning "of or concerning the spirit." finally, the native english adverbial suffix '-ly' was added, completing the grammatical journey to form an adverb describing actions or states pertaining to the realm of the spirit or religion.

Structure: spirit (breath, soul) + ual (adjective suffix) + ly (adverb suffix) - spirit: from latin 'spiritus' (breath, spirit), functioning as the core root denoting the non-physical essence. - ual: a latin-derived suffix (from '-alis') forming adjectives meaning "of or pertaining to". - ly: an old english-derived suffix forming adverbs from adjectives.