וַיָּ֧שַׂר אֲבִימֶ֛לֶךְ עַל־יִשְׂרָאֵ֖ל שָׁלֹ֥שׁ שָׁנִֽים׃
And Abimelech was prince over Israel three years.
Rashi on Judges
Ruled. He wielded his authority through repression, and conducted himself arrogantly.
וַיָּ֧שַׂר אֲבִימֶ֛לֶךְ עַל־יִשְׂרָאֵ֖ל שָׁלֹ֥שׁ שָׁנִֽים׃
And Abimelech was prince over Israel three years.