Dynamic
early 19th century (as a term in physics): from French dynamique, from Greek dunamikos, from dunamis ‘power’.
wiktionary
From French dynamique, from Ancient Greek δυναμικός(dunamikós, “powerful”), from δύναμις(dúnamis, “power”), from δύναμαι(dúnamai, “I am able”).
etymonline
dynamic (adj.)
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.
dynamic (n.)
"energetic force; motive force," 1894, from dynamic (adj.). As "manner of interaction," by 1978.
