You searched for: “so called because of the resemblance of a baluster to the double curving calyx tube of the”
A unit related to: “so called because of the resemblance of a baluster to the double curving calyx tube of the”
balustrad-, balust-, balaust- +
(Greek balaustion > Latin balaustium: supporting post of a railing on a balcony, staircase, etc. Borrowed from Italian balaustro, from balaustra; so called because of the resemblance of a baluster to the double-curving calyx tube of the "wild pomegranate flower".)