backstairs influence

Influence from an ignoble source, typically one that is secret. Where did that idea come from? It's like someone has backstairs influence over you all of sudden!

Common Names:

Name	Pronounced	Usage
Primitivus	-	Late Roman
Anatoliy	ah-nah-TO-leey	Russian, Ukrainian
Thucydides	thoo-SID-ə-deez (English)	Ancient Greek (Latinized)
Eason	[isən]
MatĚJ	-	Czech
EnÉAs	-	Portuguese (Brazilian)