Brown-Driver-Briggs (BDB)
H3730
H3730 כַּפְתּוֹר , כַּפְתֹּר 1. capital . 2. knob , bulb
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain
Strong's H3730 · Hebrew
kaf-tore'
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.
Brown-Driver-Briggs (BDB)
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain