hendecagon, hendecaasyllable
A hendecagon is an eleven sided shape. Is that what you meant?Hendeca is the Greek word for eleven.
it means eleven
It is hendeca. A hendecagon is an eleven-sided polygon. Hendeca literally means one [hen] and ten [deca].
It could either be the Latin form of undec- or the Greek form of hendeca-.
The prefix for eleven is "eleven" itself. In the English language, the prefix typically comes before a word to modify its meaning or create a new word. In the case of "eleven," the prefix "ele-" comes from the Old English word "endleofan," which means "one left" after counting to ten.
The prefix hendeca- comes from Ancient Greek and means eleven. It may appear as the prefix hendeka- when written in text.
The prefix hendeca- (ΕΝΤΕΚΑ or ΕΝΔΕΚΑ / ένδεκα) is of Greek origin, so you probably won't find any other word in English with this prefix. Hendecahedron would be just alright, though.
hendecagon
No the word forefather is not a prefix, but there is a prefix in the word. The prefix in the word forefather is Fore, meaning before.
hendecasyllable
There are several, of which endeca- and hendeca- are more common. However, most mathematicians who wish to communicate rather than be pretentious will refer to an 11-gon or 11-hedron rather than use the prefices.
What is the prefix of the word share