superstrate

Noun superstrate has 2 senses

• superstrate(n = noun.location) superstratum - any stratum or layer superimposed on another; Array
is a kind of stratum

• superstrate(n = noun.communication) superstratum - the language of a later invading people that is imposed on an indigenous population and contributes features to their language; Array
is a kind of language, linguistic communication