Definition of myth-kitty in English:

myth-kitty

Pronunciation /ˈmɪθˌkɪti/

noun

Literature
  • A body of myths known to and shared by the members of a particular society or community; a mythos. Frequently with allusion to Philip Larkin's use.

Origin

1950s; earliest use found in Philip Larkin (1922–1985), poet, writer, and librarian. From myth + kitty.