ἀστρονομικός
From LSJ
ἄνθρωπος ὢν ἥμαρτον· οὐ θαυμαστέον → being human I made a mistake; there is nothing remarkable about it
English (LSJ)
ή, όν,
A skilled in astronomy, Pl.R.530a, etc.; ἀστρονομικώτατον ἡμῶν Id.Ti.27a; τὰ -κά Thphr. Sign.I: Comp. -ώτερος Str.1.2.24. Adv. -κῶς Poll.4.16. II of questions, pertaining to astronomy, Pl.Prt.315c. III name of ninth sign of ἀποτελεσματογραφία, Paul.Al.M.4.
German (Pape)
[Seite 378] ὁ, Sternkundiger, Plat. Theaet. 145 a; im superlat. Tim. 27 a; τά, was sich auf die Sternkunde bezieht, Prot. 315 c. – Adv. -ικῶς, Poll. 4, 155.