είκοσι
eíkosi/ˈi.ko.si/
The Greek word for "twenty" is είκοσι (eíkosi).
είκοσι is the cardinal number used for counting or expressing quantities.
Meaning: cardinal number (num)
Which one should you use?
While είκοσι is the number itself, the colloquial term εικοσάρι is used to refer specifically to a twenty-euro banknote. The form εικοσάρικο is also a related term for a twenty-euro note.
Related words
How does it change in a sentence?
The number είκοσι is indeclinable, which means it does not change its form based on grammatical case.
How do you pronounce it?
eíkosi is pronounced /ˈi.ko.si/. It has 3 syllables, and the stress is on the 1st syllable.
Did you know?
- The Greek word for 'icosahedron', a twenty-sided die used in games like Dungeons & Dragons, comes directly from είκοσι and 'hedra', meaning 'seat' or 'face'.
- The modern Greek είκοσι shares the exact same root as the Ancient Greek εἴκοσι, meaning the word has remained virtually unchanged for millennia.
- The word είκοσι is the root of the English word 'icosagon', which describes a polygon with twenty sides.
Examples in context
- Είμαι είκοσι επτά ετών.I'm twenty-seven years old.The first sentence is useful for practicing how to state your age using είκοσι.Tatoeba #2766282 by Zeus, translation #2766133 by CN
- Αυτός είναι είκοσι ετών.He's twenty years old.The second sentence shows how to use είκοσι to state someone else's age.Tatoeba #3033467 by glavkos, translation #9137228 by Nylez
- Θα 'μαστε πίσω σε είκοσι λεπτά.We'll be back in twenty minutes.The third sentence demonstrates using είκοσι to describe a duration of time in minutes.Tatoeba #5524124 by Zeus, translation #5303579 by Adelpa
- Ο λογαριασμός ανέρχεται σε είκοσι ευρώ.The bill amounts to twenty euros.
- 25 more sentences on Tatoeba
Example conversation
Nikos and Anastasia are discussing the price of a book.
- Νίκος NikosΑυτό το βιβλίο κοστίζει είκοσι ευρώ.Afto to vivlio kostizei eikosi evro.This book costs twenty euros.
- Αναστασία AnastasiaΕίναι πολύ φθηνό!Einai poly fthinó!It is very cheap!
- Νίκος NikosΝαι, είναι μόνο είκοσι ευρώ.Nai, einai móno eikosi evro.Yes, it is only twenty euros.
- Αναστασία AnastasiaΘα το αγοράσω τώρα.Tha to agoráso tóra.I will buy it now.
Sources
- Wiktionary, “twenty” translations and entries είκοσι, CC BY-SA 4.0, dump of 2026-09-26.
- Word origins: Wiktionary entries είκοσι, CC BY-SA 4.0.
- Example sentences: Tatoeba CC BY 2.0 FR.