σκιαμαχία
From LSJ
Ἔπαινον ἕξεις, ἂν κρατῇς, ὧν δεῖ κρατεῖν → Laus est, si, quibus est imperandum, tu imperes → Lob hast du, wenn du herrschst, worüber zu herrschen gilt
English (LSJ)
ἡ,
A a fighting against a shadow: esp. a form of exercise with hands and feet, Ph.1.153. 2 metaph., fighting with a shadow, mock-fight, 'beating the air', Cic.Fam.11.14.1 (pl.), Plu.2.514d, Eust.663.16; title of satire by Varro, Non.p.190 L.—σκιομαχία is a later form, Gal.6.146.