unwritten law

An accepted although informal rule of behavior, as in It's an unwritten law that you lock the gate when you leave the swimming pool. [Mid-1400s]

Name	Pronounced	Usage
Damayanti	-	Hinduism
Satish	-	Indian, Hindi, Marathi, Kannada, Telugu
Linn	[lin]
Vann	[væn]
Lyubochka	-	Russian, Ukrainian
Gauri	-	Hinduism, Indian, Hindi, Marathi