The word 'test-score' is a modern English compound noun formed from two distinct historical roots. The first element, 'test', originates from the Latin testum, referring to an earthen vessel used by alchemists to examine metals, which evolved metaphorically into any critical examination. The second element, 'score', derives from Old Norse skor, meaning a notch or tally mark used for counting, particularly associated with keeping count on a stick. The compound logically combines these concepts: the 'test' provides the context of assessment, and the 'score' provides the quantified result, creating a term that denotes the numerical outcome of an evaluation. This evolution from physical objects (a pot for assaying, a marked stick for counting) to an abstract measurement of academic performance illustrates a common path of semantic specialization in technical vocabulary.

Structure: test (trial) + score (mark) - test: From Latin testum (earthen pot, a vessel used in assaying metals), via Old French. In this compound, it functions as a noun meaning a procedure to evaluate qualities or performance. - score: From Old Norse skor (notch, tally, twenty), via Old English scoru. In this compound, it functions as a noun meaning a record of points or marks earned.