Etymology
Advertisement

macron (n.)

"short horizontal line placed over a vowel to indicate length," 1827, from Latinized form of Greek makron, neuter of makros "long" (from PIE root *mak- "long, thin").

updated on October 27, 2018

Advertisement
Advertisement
Definitions of macron from WordNet

macron (n.)
a diacritical mark (-) placed above a vowel to indicate a long sound;
From wordnet.princeton.edu, not affiliated with etymonline.