aeronautical

adj

Etymology: Etymology tree Proto-Indo-European *h₂ews- Proto-Indo-European *h₂ewsér Proto-Hellenic *auhḗr Ancient Greek ᾱ̓ήρ (āḗr) Ancient Greek ἀέρος (aéros)der. English aero- English nautical English aeronautical From aero- + nautical.

1. Of or pertaining to the scientific study of flight

   “If anybody snickers, put 'em in their place by reminding them that the annular wing is a very old aeronautical principle.”