Where does “nudie rudie” come from?

nudie rudie (English) comes from English nude, from Latin nūdus, from Proto-Italic nogʷedos, from Proto-Indo-European nogʷedós, from Proto-Indo-European negʷ- — bare, naked.

Ancestry of “nudie rudie”, step by step

nudie rudie traces back through two separate lines of ancestry.

via English nude

Step	Language	Word	Meaning
1	English	nude	Without clothing or other covering of the skin;...
2	Latin	nūdus	unclothed, nude, naked
3	Proto-Italic	nogʷedos	naked
4	Proto-Indo-European	nogʷedós	—
5	Proto-Indo-European	negʷ-	bare, naked

via English rude

Step	Language	Word	Meaning
1	English	rude	Bad-mannered; Somewhat obscene, pornographic,...
2	Middle English	rude	—
3	Old French	rude	—
4	Latin	rudis	rough, raw, uncultivated; unrefined, unskilled,...
5	Proto-Indo-European	Hrew-	to tear out, dig out, open, acquire

Every word from Proto-Indo-European negʷ- →Every word from Proto-Indo-European nogʷedós →Every word from Proto-Italic nogʷedos →