To Lurk
To Lie Dormant
intransitive verb, godan verb
Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means conceal, so if you conceal yourself and walk around you are going to lurk or you are going to lie dormant.
He so (ひそ) hidden. Where you at?
ワニカニはあなたの部屋の片隅に潜んでいるかもしれませんよ。
The crabigator might be lurking in the corners of your room.
An update is needed before you can continue but you have more than one WaniKani tab open.
Finish up what ever you are doing on the other tab(s), then close them to continue.
The update will complete automatically once the other tab(s) are closed.