English
invincibly
From invincible + -ly.
A compound of invincible + -ly
Proto-Indo-European *weyk- ‘to overcome’
…
Latin vincō ‘to conquer’
Latin vincibilis ‘conquerable’
Latin invincibilis ‘unconquerable’
Middle French invincible
English invincible
Today it means
adv In an invincible manner; unconquerably; insuperably.
Language periods are conventional ranges, not dates for this word.
Etymograph / invincibly