δέκα/deka, sounds like [they-ka]
In Greek Dec means ten
The Greek word deca or deka (ten) is the root word of decade.
Greek word dekas meaning 'group of ten'
flagon
A decagon has ten sides - from the Greek word 'deka' meaning ten.
Deca-, from the Greek deka, is a prefix meaning ten. Decem is the Latin word for ten
No. The prefixes 'deci' and 'deca' are both derived from the Greek deka, meaning 'ten'
The root word of "decathlon" is "deca," which is a Greek prefix meaning ten. The word "decathlon" refers to an athletic competition consisting of ten different events.
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."