Orbital

来自Big Physics

google

ref

mid 16th century (referring to the eye socket): probably from medieval Latin orbitalis, from Latin orbita (see orbit).


Ety img orbital.png

wiktionary

ref

Borrowed from Medieval Latin orbitālis, from orbita(“a track or rut; a circuit, orbit”) +‎ -ālis(“-al”, adjectival suffix), equivalent to orbit +‎ -al. Doublet of orbitalis.


etymonline

ref

orbital (adj.)

1540s, "of or pertaining to the eye socket;" 1839 with reference to heavenly bodies; from orbit (n.) + -al (1).