The Spanish colloquial term 'chela' meaning 'beer' evolved from another informal term 'cheve', which itself is derived from the standard Spanish word 'cerveza'. This represents a common pattern in Spanish slang where informal variants of words develop through phonetic modification and shortening of more formal terms.

The most common and formal Spanish word for beer is 'cerveza', which is widely used throughout the Spanish-speaking world. 'Cheve' is a more casual variant, particularly common in Mexico, and 'chela' represents a further evolution of this informal term. If you know 'cerveza', you can understand how these colloquial variants developed through progressive simplification of the word.

While there aren't direct English cognates for 'chela', English speakers might find it interesting that this slang term is part of a broader pattern where beverages often develop informal nicknames. Just as English has terms like 'brew' or 'cold one' for beer, Spanish has developed 'chela' as a casual alternative to 'cerveza'.