קְטַר qᵉṭar

Hebrew · Strong's H7001 · pronounced ket-ar' · used 3 times in 3 verses

Meaning

a knot (as tied up), i.e. (figuratively) a riddle; also a vertebra (as if a knot)

In the King James Version: doubt, joint.

Derivation: (Aramaic) from a root corresponding to H7000 (קָטַר);

Daniel 5:6 his face grew pale and his thoughts so alarmed him that his hips gave way and his knees knocked together.
Daniel 5:12 did this because Daniel, the one he named Belteshazzar, was found to have an extraordinary spirit, as well as knowledge, understanding, and the ability to interpret dreams, explain riddles, and solve difficult problems. Summon Daniel, therefore, and he will give you the interpretation.”
Daniel 5:16 But I have heard about you, that you are able to give interpretations and solve difficult problems. Therefore, if you can read this inscription and give me its interpretation, you will be clothed in purple and have a gold chain placed around your neck, and you will be made the third highest ruler in the kingdom.”