substratal

English

Etymology

From substrate +‎ -al, substratum +‎ -al.

Adjective

substratal (not comparable)

1. Of or pertaining to a substratum.
2. (linguistics) Specifically, pertaining to a substrate language.
   • 2018, John H. McWhorter, The Creole Debate, Cambridge University Press, p. 10:

     The West African languages that were substratal to most of the Atlantic creoles have regularly overt copulas […].