French edit

Etymology edit

From souterrain +‎ -ment.

Pronunciation edit

  • IPA(key): /su.tɛ.ʁɛn.mɑ̃/, /su.te.ʁɛn.mɑ̃/
  • (file)

Adverb edit

souterrainement

  1. subterraneously

Further reading edit