To Sink, Sink Down: טָבַע taba
Creation Theory Predictive Testable Hypothesis 21
Where wast thou when I laid the foundations of the earth? declare, if thou hast understanding. Who hath laid the measures thereof, if thou knowest? or who hath stretched the line upon it? Whereupon are the foundations thereof fastened? or who laid the corner stone thereof; When the morning stars sang together, and all the sons of God shouted for joy?( Job 38:4-7 ) KJV
The concept of sinking down occurs in the creation narrative when God laid the foundations of the earth. The occurrences of this phrase fit the creation of a gravitational singularity on the 2nd day.