Catastrophic
来自Big Physics
mid 16th century (in the sense ‘denouement’): from Latin catastropha, from Greek katastrophē ‘overturning, sudden turn’, from kata- ‘down’ + strophē ‘turning’ (from strephein ‘to turn’).
wiktionary
From catastrophe + -ic.
etymonline
catastrophic (adj.)
"pertaining to or of the nature of a catastrophe," 1824, from catastrophe + -ic. Related: Catastrophical; catastrophically.