igneous
adj.
1660s, from Latin igneus "of fire, fiery," from ignis "fire," from PIE *egni- "fire" (cognates: Sanskrit agnih "fire, sacrificial fire," Old Church Slavonic ogni, Lithuanian ugnis "fire").
〔蒋〕[ign火，-eous…的] 火的，似火的，火成的
〔蒋〕[ign火，-eous…的] 火的，似火的，火成的