קְטַר (qĕṭar) is
an Aramaic noun
meaning joint. It appears
3 times
in 1 book of the Hebrew Bible
(Strong's H7001).
Same Hebrew root (TWOT 2970)
Root family 2970: קְטַרqĕṭar — knee joint, difficult questions. Possibly the original meaning was to tie a knot (KB), thence a knot, joint, problem. There is a cognate in Akkadian, but not in Hebrew