Word mod e/ae
An initial 'e' may have replaced usual 'ae'
aemul.ari V 1 1 PRES PASSIVE INF 0 X
aemulo, aemulare, aemulavi, aemulatus V (1st) TRANS [XXXCS]
aemulor, aemulari, aemulatus sum V (1st) DEP [XXXBO]
ape, imitate, emulate; be envious, jealous of, vie with a rival; copy (book);