astrophysical

English

Etymology tree

Proto-Indo-European *h₂eh₁-der.

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 *bʰuH-

Proto-Indo-European *-yéti

Proto-Indo-European *bʰuHyéti

Ancient Greek φῠ́ω (phŭ́ō)

Proto-Indo-European *-tós

Proto-Indo-European *-is

Proto-Indo-European *-tis

Proto-Hellenic *-tis

Ancient Greek -τῐς (-tĭs)

Ancient Greek -σῐς (-sĭs)

Ancient Greek φύσις (phúsis)

Proto-Indo-European *-kos

Proto-Hellenic *-kos

Ancient Greek -κός (-kós)

Ancient Greek -ικός (-ikós)

Ancient Greek φῠσῐκή (phŭsĭkḗ)bor.

Latin physica

Proto-Indo-European *h₂el-

Proto-Indo-European *-is

Proto-Indo-European *h₂élisder.?

Proto-Italic *-ālis

Latin -ālis

Late Latin physicālisbor.

English physical

English astrophysical

astrophysical (not comparable)

Of or pertaining to astrophysics.
- 2020 October 15, Dennis Overbye, “Stuart Bowyer, Astronomer Who Lent His Ear to the Cosmos, Dies at 86”, in The New York Times‎^[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 14 January 2025:
  But many important astrophysical and atomic processes involving hydrogen, the most abundant element in the universe and in stars, give off ultraviolet light.

of or pertaining to astrophysics