étanchement

== French == === Etymology === From étancher +‎ -ment. === Pronunciation === IPA(key): /e.tɑ̃ʃ.mɑ̃/ === Noun === étanchement m (plural étanchements) sealing, staunching sealant === Further reading === “étanchement”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012