nautical
adj.
1550s, from -al(1) + nautic from Middle French nautique, from Latin nauticus "pertaining to ships or sailors," from Greek nautikos "seafaring, naval," from nautes "sailor," from naus "ship," from PIE *nau- (2) "boat" (see naval).
〔李〕[naut;-icala.] a.船员的； 航海的； 船舶的 ←nav,naut (L navis,nauticus)=ship 船