One of the mysteries of the English language finally explained.
Of or relating to a substratum; forming a substratum; underlying; fundamental; (now chiefly Linguistics) of or relating to a substrate language.
Mid 19th century; earliest use found in The New Monthly Magazine. Partly from substrate + -al, and partly from substratum + -al.
In this article we explore how to impress employers with a spot-on CV.