Where does “undie” come from?

undie (English) comes from English undercover, from English cover, from Middle English coveren, from Old French covrir, from Latin cooperiō, from Latin cōn-, from Latin cum, from Old Latin com — to bend; curve; arch; vault; to bow, bend, arch,...

undie (English): Underwear; A spy, undercover agent; To come back...

Definitions

  1. Underwear; A spy, undercover agent; To come back...

Ancestry of “undie”, step by step

undie traces back through two separate lines of ancestry.

via English undercover

StepLanguageWordMeaning
1EnglishundercoverPerformed or happening in secret; Employed or...
2EnglishcoverA lid; Area or situation which screens a person...
3Middle Englishcoverento recover
4Old Frenchcovrirto cover
5Latincooperiōto cover wholly or over, overwhelm, clothe
6Latincōn-Used in compounds to indicate a being or bringing together of several objects
7Latincumwith, along with; at; -fold
8Old LatincomAlternative form of cum
9Proto-Italickomwith, along, at
10Proto-Indo-Europeanḱómbeside, near, by, with
11Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
12Middle Englishkyt
13Germankittputty certain kinds of cement used for fixing e.g. window panes
14Old High Germankuti
15Proto-West Germanickwidugum, resin
16Proto-Germanickweduzresin
17Proto-Indo-Europeangʷet-resin, gum; to say, speak
18Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English die

StepLanguageWordMeaning
1EnglishdieTo stop living; to become dead; to undergo death;...
2Latindieablative singular of diēs; day; before the day
3LatindiesA day, "particularly:"
4Latindiemaccusative singular of diēs
5Proto-Italicdjēmaccusative singular of *djous
6Proto-Italic*djous
7Proto-Indo-Europeandyḗwssky, heaven; sky god
8Proto-Indo-Europeandyéwssky, heaven
9Proto-Indo-Europeandyew-to be bright; sky, heaven
Every word from Proto-Indo-European gū-Every word from Latin cōn-Every word from Proto-Indo-European gʷet-
undie — Etymology, Origin & Word History | Etymology Explorer