Syncope ii => ivi
Syncopated perfect ivi can drop 'v' without contracting vowel
ebulliv.it V 4 1 PERF ACTIVE IND 3 S
ebullio, ebullire, ebullivi, ebullitus V (4th) [XXXDO] lesser
spout out; chatter about; burst/break/send out; [animam ~ => expire];
bubble; boil-up; produce in abundance;