xenna-

短语

发音

/ˈzɛnə/

释义与例句

affix
  1. 1.

    Synonym of ronna- (used before an official prefix existed). Symbol: X

    非正式

词源

From Ancient Greek ἐννέα (ennéa, “nine”), for the ninth order of 10³, and the letter x, as the third term in a series running backwards through the alphabet (after zetta- and yotta-). The final a conforms to the final vowel of the SI series from mega- upwards.

来源：wiktionary