năm mươi
/ˈfɪfti//ˈfɪfti/The origin of the word "fifty" can be traced back to the Old English language, specifically to the word "fiftyne," which was derived from the words "fif" meaning "five" and "tynn" meaning "ten." This Old English word evolved over time and eventually became "fiftie" in Middle English. The modern spelling of "fifty" is believed to have originated around the 15th century whenEnglish scholars began introducing more Latin and Greek-derived words into the language. The word "quinquagenarius," meaning "half a century" in Latin, likely influenced the pronunciation and spelling of "fifty" in Middle English. Interestingly, in some older English dialects, the plural form of "fifty" was "fiftys" or "fifties," which is similar to the way other ending-in-y words (such as "cities" and "menies") were pluralized. However, it is now common to simply add an "s" at the end of the word. Overall, the word "fifty" has gone through several transformations over the centuries, but its roots can be traced back to the Anglo-Saxon tradition of using compound words to describe numbers.
50
50
numbers, years or temperatures from 50 to 59
số, năm hoặc nhiệt độ từ 50 đến 59
Cô ấy sinh vào những năm 50.