English version

the mother of something

From Longman Dictionary of Contemporary Englishthe mother of somethingthe mother of somethinga) COME FROM/ORIGINATEthe origin or cause of something Westminster is known as ‘the mother of parliaments’. Necessity is the mother of invention (=people have good ideas when the situation makes it necessary). b) informalBAD a very severe or extreme type of something, usually something bad I woke up with the mother of all hangovers. mother
Examples from the Corpus
the mother of somethingthe mother of all battlesNecessity is the mother of invention.I woke up with the mother of all hangovers.
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