"diving apparatus for reaching great depths," 1947, a name coined by its inventor, Swiss "scientific extremist" Prof. Auguste Piccard, from Greek bathys "deep" (see benthos) + skaphe "light boat, skiff" (see scaphoid).
bathrobe
bathroom
Bathsheba
bathtub
bathukolpian
bathyscaphe
batik
batman
baton
Baton Rouge
batrachophobia