נָטַר (nāṭar) is
a Hebrew verb
meaning keep. It appears
9 times
in 5 books of the Hebrew Bible
(Strong's H5201).
Same Hebrew root (TWOT 1356)
Root family 1356: נָטַרnāṭar — keep, keep guard, reserve, maintain. (RSV has “be angry” in Jer 3:5, 12 and “keep his anger” in Ps 103:9; ASV uses “retain” in Jer 3:5.)