operability

The word 'operability' is a modern technical formation built upon classical foundations. Its first element, 'oper-', descends from the Latin verb 'operari', meaning to work or toil, which itself originates from the noun 'opus' (work). The second element, '-ability', is a suffix of Latin origin ('-abilitas') that attaches to verb stems to form abstract nouns expressing a capacity or suitability. Therefore, the literal construction of 'operability' is "the capacity for work." This etymological logic maps directly to its contemporary meaning, which denotes the quality of a system, machine, or process being in a functional and usable state, effectively capable of performing its intended work.

Structure: oper (work) + ability (capacity) - oper: From Latin 'operari' (to work). This root functions as the core lexical base, carrying the sense of work, labor, or operation. - ability: From Latin '-abilitas', a suffix forming nouns indicating a capacity or fitness for something. In English, it functions as a productive noun suffix denoting a quality or state of being able.