βασιλεύειν
From LSJ
Greek > English (Woodhouse Verbs Reversed)
(see also βασιλεύω): be king of, govern as king or commander, rule over as king
Lexicon Thucydideum
regnare, to rule, reign, 1.13.6, 1.137.3, 2.80.6, 2.98.1, 7.1.4, 8.58.1,
in aor. in the aorist regnum adipisci, to obtain rule, 1.14.2, 2.15.2, 2.97.3, 2.99.3, 4.101.5.