limitless

The word "limitless" is a modern English compound formed from the noun "limit" and the adjectival suffix "-less." The core noun "limit" traces back to Latin limes, meaning a boundary path or border, which itself may originate from a Proto-Indo-European root related to crossing a threshold. The suffix "-less" descends from the Old English -lēas, meaning "devoid of," and is related to the verb "to lose." The literal construction "without a boundary" perfectly captures the abstract concept of having no restrictions, constraints, or end, evolving from the concrete idea of a physical border to describe immeasurable scope, possibility, or quantity.

Structure: limit (boundary) + less (without) - limit: From Latin limes (boundary, border, path). Functions as the core noun root denoting a boundary or restriction. - less: From Old English -lēas (devoid of, free from). Functions as a suffix forming adjectives meaning "without" the noun it attaches to.