The story
From witchety + grub, a partial calque of some Pama-Nyungan language (compare Arabana mako witjuti (“witchety grub”, from mako (“grub”) + witjuti (“witchety bush”))).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The large, white, wood-eating larvae of several moths and beetles, especially the species Endoxyla leucomochla, traditionally eaten by Aboriginals in the Australian desert. Full definition →
From witchety + grub, a partial calque of some Pama-Nyungan language (compare Arabana mako witjuti (“witchety grub”, from mako (“grub”) + witjuti (“witchety bush”))).
Etymology from Wiktionary, CC BY-SA 4.0.