The word "untended" is a straightforward English formation built upon the verb "tend." The core verb originates from Latin tendere, meaning "to stretch" or "to strive," which evolved in Old French to include the sense of attending to something. In English, "tend" developed the specific meaning of caring for or looking after something, such as a garden or a fire. By adding the Old English negative prefix "un-," the adjective "untended" directly and logically conveys the state of being not cared for, its literal morphemes perfectly aligning with its modern abstract meaning of neglect.

Structure: un (not) + tended (cared for) - un: A prefix of Germanic origin (Old English), meaning "not," used to form adjectives expressing negation or absence. - tended: The past participle of the verb "tend," from Old French tendre (to stretch, hold forth, offer) and Latin tendere (to stretch, strive, extend). Here, it functions as the core meaning of "cared for" or "looked after."