English
igneously
From igneous + -ly.
Formed from igneous + -ly
Proto-Indo-European *h₁engʷ- ‘to burn’
Proto-Indo-European *h₁n̥gʷnís ‘fire’
Latin ignis ‘fire’
Latin igneus ‘fiery’
English igneous
Today it means
adv In an igneous manner.
Language periods are conventional ranges, not dates for this word.
Etymograph / igneously