hendeca-
combining form
eleven
⇒ 
hendecagon
⇒ 
hendecahedron
⇒ 
hendecasyllable
Origin
from Greek hendeka, from hen, neuter of heis one + deka tenhendeca-
Word Origin
1 
a combining form meaning “eleven,” used in the formation of compound words:
hendecahedron.
Origin
combining form representing Greek héndeka eleven, equivalent to hén one (neuter of heîs) + déka ten
Related Words
- hendecahedron
- hendecasyllable
hendeca-a prefix meaning eleven.
[Greek hendeka]hendeca-
                combining form
     -          eleven; having eleven十一; 有十一的:
-       hendecasyllable. 
词源
from Greek hendeka 'eleven'.
1760 Stiles in Phil. Trans. LI. 771Two other suppositions, viz. that either the *hendecachord or disdiapason was here meant.
1842–3 Smith's Dict. Gr. &Rom. Antiq. 646A *hendecachordal system, consisting of three tetrachords. 
1847 Craig, *Endecagynous. 
Ibid. ,*Endecaphyllous. 
1663 Flagellum, or O. Cromwell (1672) 164 England being now cantoned under this *Hendecharchy. 
1889 Muir & Morley Watts'Dict. Chem. II. 673/1n-Hendecane C11H24... Formed by the action of HI and phosphorus at 230° upon hendecoic (undecylic) acid. 
1943 Thorpe's Dict. Appl. Chem. (ed. 4) VI. 204/1 (heading)Hendecoic acids (undecoic acids), C11H22O2. 
1960 Handbk. Chem. Soc. Authors iii. 49Greek numeral roots are used, except that 9 (alone or in combination) is rendered by the Latin nona (not the Greek ennea) and 11 by the Latin undeca (not the Greek hendeca). 
hendeca-
word-forming element meaning "eleven," from Latinized form of Greek hendeka "eleven," from hen, neuter of eis "one" + deka "ten" (see ten).
ORIGIN: Greek  hendeka  eleven.
hendeca-
combining form 
or hendec-
Etymology: Greek hendeka-, hendek-, from hendeka, from hen (neuter of heis one) + deka ten — more at henad, ten 
 : eleven 
< hendecasyllable >
< hendecane >
or hendec-
< hendecasyllable >
< hendecane >