aeronautics
n.
1824, from aeronautic (1784), from French aéronautique, from aéro- (see aero-) + nautique "of ships," from Latin nauticus, from Greek nautikos (see nautical). Originally of balloons. Also see -ics. Aeronaut "balloonist" is from 1784.
〔李〕[aer;-o-;naut;-icsn.] n.航空学，航空术 ←nav,naut (L navis,nauticus)=ship 船