What is ""φθίνων αμφίκυρτος"" in American English and how to say it?
Greek

φθίνων αμφίκυρτος
American English

waning gibbous
Learn the word in this minigame:
More "Φάσεις της Σελήνης" Vocabulary in American English
Example sentences
American EnglishThere's a full moon tonight.