by 1812, "pertaining to mechanical forces not in equilibrium, pertaining to force producing motion" (the opposite of static), from French dynamique introduced by German mathematician Gottfried Leibnitz (1646-1716) in 1691 from Greek dynamikos "powerful," from dynamis "power," from dynasthai "to be able, to have power, be strong enough," which is of unknown origin. The figurative sense of "active, potent, effective, energetic" is from 1856 (in Emerson). Related: Dynamically.
<a href="https://www.etymonline.com/word/aerodynamic">Etymology of aerodynamic by etymonline</a>
Harper, D. (n.d.). Etymology of aerodynamic. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/aerodynamic