Or (Am. 9:1) kaphtowr {kaf-tore'}; probably from an unused root meaning to encircle; a chaplet; but used only in an architectonic sense, i.e. The capital of a column, or a wreath-like button or disk on the candelabrum: knop, (upper) lintel.
H3730. kaphtor
I. כַּפְתֹּר כַּפְתּוֺר noun masculine
1 capital,
2 knob, bulb (2 perhaps earlier meaning; HoffmZAW iii. (1883), 124, compare Syriac pear (LöwNo. 153), from shape); —
1 כַּפְתּוֺר Amos 9:1 capital of pillar; so plural suffix כַּפְתֹּרֶיהָ Zephaniah 2:14.
2 כַּפְתֹּר, knob or bulb, ornament on the golden lamp-stand in tabernacle; ᵐ5 σφαιρωτήρ, JosArchaeology iii, 6, 7 ρὁΐσκος small pomegranate; ᵑ9. sphaerula: — Exodus 25:33 (twice in verse); 25:35 (3 t. in verse) = 37:19 (twice in verse); 37:21 (3 t. in verse); suffix כַּפְתֹּרֶיהָ 25:31, 34 = 37:17, 20, כַּפְתֹּרֵיהֶם 25:36 = 37:22 (all P).