The story of 'tally' begins with the practical need for a physical record-keeping system. It originates from the Latin 'tālea', referring to a stick or a cutting. In medieval Europe, this concept evolved into a specific accounting tool: a stick was notched to record a debt or transaction, and then split lengthwise so both parties held a matching record—the 'tally stick'. The act of matching the two halves to verify accounts gave rise to the modern abstract meaning of correspondence and agreement. Thus, the word's journey from a physical stick to a concept of matching records perfectly illustrates the logic of its semantic evolution.

The word 'tally' is a simplex loanword. It entered English from Anglo-French 'talie' (a stick on which notches were cut to keep accounts), which derived from Medieval Latin 'talea' (a cutting, rod, stick). The ultimate origin is likely Latin 'tālea', meaning a slender stick, cutting, or plant shoot.