The Spanish word 'pancho' has two distinct meanings and etymological paths. In its first sense meaning 'satisfied' or 'full', it comes from the Latin word 'pantex' meaning 'belly' or 'paunch'. This semantic evolution from a word for belly to a word describing the state of being full is quite intuitive.

In its second meaning, 'pancho' is used in some Spanish-speaking regions to mean 'hot dog'. This usage appears to be a blend of 'pan' (bread) and 'chorizo' (sausage), creating a compound word that describes the complete hot dog - both the bread and meat components combined.

Some simpler Spanish words related to 'pancho' include 'pan' (bread) and 'chorizo' (sausage), which directly contributed to the 'hot dog' meaning. These are both very common Spanish words that you might encounter frequently in food-related contexts.

While there aren't direct English cognates for 'pancho', the English word 'paunch' is related, as it comes from the same Latin root 'pantex'. Both words relate to the belly or stomach area, though 'paunch' in English specifically refers to a protruding belly or abdomen.