The Spanish word 'cochecito' meaning 'small car' comes from combining the Spanish word 'coche' (meaning 'car' or 'carriage') with the diminutive suffix '-ito'. The base word 'coche' has an interesting origin - it comes from Hungarian 'kocsi', which meant 'carriage' and was named after the Hungarian town of Kocs, where a particular type of horse-drawn carriage was first made in the 15th century. When the diminutive suffix '-ito' is added to 'coche', it creates the affectionate or diminutive form meaning 'small car'.

The most obvious related Spanish word is 'coche', which is actually more common than 'cochecito'. While 'coche' is the standard word for 'car' or 'carriage', 'cochecito' specifically refers to a small car, baby carriage, or stroller. This is a perfect example of how Spanish uses diminutive suffixes like '-ito' to modify the meaning of base words.

While English doesn't have any direct cognates from the Hungarian 'kocsi', the word 'coach' (as in 'horse-drawn coach' or 'motor coach') comes from the same Hungarian source. The word followed a slightly different path into English, but it shares the same ultimate origin as Spanish 'coche' and 'cochecito'. This connection makes sense when you consider that both 'coach' and 'coche' originally referred to horse-drawn carriages before evolving to also refer to motor vehicles.