soubassement

== French == === Etymology === From sous- +‎ bas +‎ -ment. === Pronunciation === IPA(key): /su.bas.mɑ̃/ === Noun === soubassement m (plural soubassements) (architecture) base, underpinning === Further reading === “soubassement”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012