English
festively
From festive + -ly.
A compound of festive + -ly
Proto-Indo-European *dʰeh₁stos
…
Latin fēstus ‘of or pertaining to feasts’
Latin īvus
Latin festivus ‘pertaining to a feast, gay, lively, joyous’
French festif
English festive
Today it means
adv In a festive manner
Language periods are conventional ranges, not dates for this word.
Etymograph / festively