The Spanish word 'marca' meaning 'mark' or 'brand' comes from Medieval Latin 'marca', which meant 'mark' or 'sign'. This Medieval Latin term was borrowed from the Germanic root '*mark', which originally referred to a 'boundary' or 'frontier territory'. Over time, the meaning evolved from referring to physical boundaries to encompass any kind of distinguishing mark or sign, and eventually to its modern Spanish meaning of a mark or brand.

Several common Spanish words are related to 'marca', including the verb 'marcar' (to mark), 'marcador' (marker or scoreboard), and 'marqués/marquesa' (marquis/marchioness - originally referring to a ruler of a border territory or march). These words all share the basic concept of marking, distinguishing, or setting boundaries.

The English word 'mark' is directly related to 'marca', as they both come from the same Germanic root '*mark'. Other related English words include 'march' (as in the border regions called 'marches'), 'marquis' (nobility title), and 'landmark' (originally a mark designating the boundary of land). The connection between marking boundaries and leaving distinguishing marks remains clear in both languages.