substratum

Borrowed from New Latin substratum, nominalisation of the neuter of Latin substrātus, perfect passive participle of substernō.

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substratum (plural substrata)

1. A layer that lies underneath another.

   Synonym: underlayer

2. (figuratively) The underlying cause or basis of something.
3. (linguistics) A substrate.

• substratal

• IPA^(key): /syp.stʁa.tɔm/

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• Hyphenation: sub‧stra‧tum

substratum m (plural substratums)

1. stratum

• “substratum”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.