δέκα/deka, sounds like [they-ka]
In Greek Dec means ten
The root word of decade is "decem," which is Latin for "ten."
Greek word dekas meaning 'group of ten'
flagon
A decagon has ten sides - from the Greek word 'deka' meaning ten.
No. The prefixes 'deci' and 'deca' are both derived from the Greek deka, meaning 'ten'
Deca-, from the Greek deka, is a prefix meaning ten. Decem is the Latin word for ten
Decades is a Greak word. (δεκάδες) It means ''ten of something''. If you want to say 'ten years'' its ''decaetia'' , the prefix deca- meaning ten and -etos meaning year.
A decade is a period of 10 years. The word is derived (via French and Latin) from the Ancient Greek: δεκάς, romanized: dekas, which means a group of ten.
decathlon is of a Greek originδέκαθλον [thekathlon] < δέκα[theka] +άθλον [athlon]δέκα = ten (see decade, decimal)άθλος = achievement (see athlete)
The prefix deka- (and the related form deca) come from Greek, meaning "ten."
eoptenia, ee-op-ten-ee-a hope this helps