Dictionary / Vocabulary / 根城
ねじろ
stronghold; citadel; base (of operations); headquarters
泥棒は、間違いなくここにいるはずよ。きっと、どこかに根城があるから、そこを見つけさえすればいいの。
The thief has to be in here. I'm sure somewhere around is his stronghold so if we can just find that we've got him.