SUPERSTRATUM
superstrate, superstratum
(noun) the language of a later invading people that is imposed on an indigenous population and contributes features to their language
superstrate, superstratum
(noun) any stratum or layer superimposed on another
Source: WordNet® 3.1
Etymology
Noun
superstratum (plural superstrata)
(geology) A stratum that is on top of another
(linguistics) A language imposed upon a population that previously spoke another language
Synonyms
(linguistics)
• superstratum language
• superstrate language
• superstrate
Hypernyms
(linguistics)
• adstratum (adstrate)
Source: Wiktionary
Su`per*stra"tum, n.; pl. Superstrata (. Etym: [NL.: cf. L.
supersternere, superstratum, to spread upon. See Super-, and
Stratum.]
Definition: A stratum, or layer, above another.
Source: Webster’s Unabridged Dictionary 1913 Edition