The Spanish word 'vara' meaning 'rod, pole, or staff' comes directly from the Latin word 'vara', which meant 'crossbeam' or 'forked pole'. The meaning has remained remarkably stable over time, continuing to refer to various types of pole-like objects, though the Spanish term has broadened somewhat to include different types of rods and staffs beyond just crossbeams.

Some related Spanish words include 'varal' (a long pole or rod), 'varilla' (a small rod or stick), and 'varapalo' (a long pole or harsh criticism). These are all derivatives of 'vara' with various suffixes, maintaining the core meaning of a rod or pole-like object.

While English doesn't have many common words directly related to Latin 'vara', the word 'varas' is sometimes used in historical contexts as a unit of measurement in Spanish-speaking regions, similar to how English uses 'yard' or 'rod'. The vara was a traditional Spanish unit of length.