12 letters · 14 points in Scrabble
adjective of or pertaining to aeronautics
originEtymology 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.
Etymology from Wiktionary, CC BY-SA 3.0