superstratum

From super- +‎ stratum.

• Audio (US):

  (file)

superstratum (plural superstrata)

1. (geology) A stratum that is on top of another
2. (linguistics) A language imposed upon a population that previously spoke another language

(linguistics):

• superstratum language
• superstrate language
• superstrate

(linguistics):

• adstratum (adstrate)

• superstratal

(linguistics):

• substratum (substrate)

• substratum