Word of mouth
English Idiom
Meaning: When people share information or recommendations with others through personal conversations rather than through traditional advertising or media. It relies on trust and personal experiences, making it a powerful form of communication.
Origin: The phrase 'word of mouth' originated in the early modern period. Before the advent of mass media, most information was spread by people talking to each other. This form of communication was highly trusted because it came from personal connections. Over time, the idiom has evolved but still retains the core idea of sharing information personally.
