Meaning

noun overflowing with eager enjoyment or approval

originBorrowed from Latin ēbullientem + English -ence (suffix meaning ‘having the state or condition of’). Ēbullientem is the accusative feminine or masculine singular of ēbulliēns (“boiling”), the present participle of ēbulliō (“to boil”) (from ē- (prefix meaning ‘out, away’) + bulliō (“to bubble; to boil”) (from bulla (“bubble; bubble-shaped object”), ultimately from Proto-Indo-European *bʰew- (“to…

Etymology from Wiktionary, CC BY-SA 3.0