astrodynamic

Etymology tree
Proto-Indo-European *h₂eHs-
Proto-Indo-European *-tḗr
Proto-Indo-European *h₂stḗr
Proto-Hellenic *astḗr
Ancient Greek ἀστήρ (astḗr)
Ancient Greek ᾰ̓́στρον (ắstron)der.
English astro-
Proto-Indo-European *dewh₂-der.
Proto-Hellenic *dunamai
Ancient Greek δῠ́νᾰμαι (dŭ́nămai)
Ancient Greek δύναμις (dúnamis)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek δυναμικός (dunamikós)lbor.
French dynamiqueder.
English dynamic
English astrodynamic
From astro- + dynamic.