Ionut means "very, very small old dog" - ie, "Little Hans" - from Romanian "Ion" is derived, which is the German "Johann" entspricht.Ion were, the typical altrumänische first name for boys, perhaps got a little out of fashion with . Other names derive from "Ion" include: Ionica, Ionita, Ionel, etc. All are a diminutive of the strict "Ion".
(Sent from Yasni user)