The word 'transience' is built upon the latin verb 'transire', meaning "to go across or pass over", which itself is composed of 'trans-' (across) and 'ire' (to go). The present participle of this verb, 'transiens' (genitive 'transientis'), gave rise to the english adjective 'transient', describing something that passes quickly or is short-lived. The noun 'transience' was subsequently formed by adding the abstract noun suffix '-ence' to this stem, creating a term that encapsulates the state or quality of passing away or lasting only briefly. This etymological journey, from the literal act of crossing over to the abstract concept of impermanence, illustrates a classic semantic shift where a physical action evolves into a metaphorical description of time and existence.

Structure: trans (across) + i (linking vowel) + ence (noun suffix) - trans: from latin, a prefix meaning "across, beyond, through". - i: a linking vowel, often used in latin-derived words to connect a root to a suffix. - ence: from latin '-entia', a noun-forming suffix denoting a state, condition, or quality.