English
maleruption
From mal- + eruption.
Proto-Indo-European *Hrewp- ‘to break, tear (up)’
…
Latin rumpō ‘to break, burst, tear, rend, rupture’
Latin erumpō ‘to break out (of), to burst out (of)’
Latin eruptio ‘an eruption’
Middle French éruption
English eruption
Today it means
noun The abnormal eruption of a tooth.
Language periods are conventional ranges, not dates for this word.
Etymograph / maleruption