הֲ֭בָאתָ עַד־נִבְכֵי־יָ֑ם וּבְחֵ֥קֶר תְּ֝ה֗וֹם הִתְהַלָּֽכְתָּ׃
Nakarating ka na ba hanggang sa kailaliman ng dagat? At nakalakad ka na ba sa mga lihim na bahagi ng kalaliman?
Rashi
the locks of the sea Heb. נבכי, like (Ex. 14:3), “They are trapped (נבכים) in the land.”