כַּפתּוֹר כַּפתּוֹר
kaphtor (kaf-tore') (or (Am. 9) n-m.
1. a chaplet
2. but used only in an architectonic sense, i.e. the capital of a column, or a wreath-like button or disk on the candelabrum
[probably from an unused root meaning to encircle]
KJV: knop, (upper) lintel.