word of mouth, by

Orally, by one person telling another, as in They don't advertise; they get all their customers by word of mouth. [Mid-1500s]

Name	Pronounced	Usage
Chea	-	Khmer
Deanne	dee-AN	English
&Aelig;&Eth;Elm&Aelig;R	-	Anglo-Saxon
Amado	ah-MAH-dho	Spanish
Miki	mee-kee	Japanese
Aretha	ə-REETH-ə	English