Erupt

google

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mid 17th century: from Latin erupt- ‘broken out’, from the verb erumpere, from e- (variant of ex- ) ‘out’ + rumpere ‘burst out, break’.

wiktionary

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From Latin eruptus, past participle of ērumpō(“to break out (of), to burst out (from)”), from e(“out”) + rumpō(“to break”).

etymonline

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erupt (v.)

1650s, of diseases, etc., from Latin eruptus, past participle of erumpere "to break out, burst," from assimilated form of ex "out" (see ex-) + rumpere "to break, rupture" (see rupture (n.)). Of volcanoes, from 1770 (the Latin word was used in reference to Mount Etna). Related: Erupted; erupting.