The Spanish word 'michoacano' means 'someone from Michoacán' and comes from combining the place name 'Michoacán' with the Spanish suffix '-ano' (which forms demonyms or words for people from a particular place). Michoacán itself comes from the Nahuatl (Aztec) word 'Michhuacan' which meant 'place of the fishermen'. This name was given to the region due to the importance of fishing in the area, particularly around Lake Pátzcuaro.

The suffix '-ano' used in 'michoacano' is a very common Spanish ending used to create words for people from different places. You can see this pattern in many other Spanish demonyms like 'mexicano' (Mexican), 'peruano' (Peruvian), and 'colombiano' (Colombian).

While there aren't direct English cognates for 'michoacano', English has borrowed some other words from Nahuatl, the indigenous language that gave us 'Michoacán'. Some common examples include 'tomato' (from 'tomatl'), 'chocolate' (from 'xocolatl'), and 'avocado' (from 'ahuacatl').