The book's title comes from an Australian aboriginal language called Dyirbal.    From Wordnik.com.  [Interesting Thing of the Day] Reference

Imagination accounts for the Dyirbal word maralu ` a shirt, 'a word originally meaning ` hollow log' because when the Dyirbal people first saw a European pulling on a starched shirt they were reminded of a bandicoot seeking shelter in a hollow log.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol XI No 1] Reference

Chloe identified herself with the project, volunteered information and analysis, worked out principles of gender in Dyirbal (involving a knowledge of Dyirbal science), developed theories of language (not all of which would win wide approval), and was virtually a co-author of parts of Dixon's published account of the Dyirbal language.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol XI No 1] Reference

Dyirbal (Queensland Australia) Yimba.    From Wordnik.com.  [Hillary Supporter Dianne Feinstein: The Race Is Over, Make Hillary Veep] Reference