amphibious

 
Pronunciation: /amˈfɪbɪəs/

adjective

  • relating to, living in, or suited for both land and water: an amphibious vehicle
  • (of a military operation) involving forces landed from the sea: an amphibious assault

Derivatives

amphibiously

adverb

Origin:

mid 17th century: from modern Latin amphibium, from Greek amphibion (see amphibian) + -ous