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
Juhan	-	Estonian
DraŽEn	-	Croatian, Serbian
Dong	-	Chinese
Hafeez	-	Arabic
Zahara	-	Hebrew
Dobroslav	-	Croatian, Serbian, Czech, Medieval Slavic