Where does “kthanksbye” come from?

kthanksbye (English) comes from English bye, from Old English bī, from Proto-West Germanic bī, from Proto-Germanic bi, from Proto-Indo-European h₂m̥bʰi, from Proto-Indo-European h₂n̥tbʰi, from Proto-Indo-European h₂énts, from Proto-Indo-European h₂ent- — on, onto.

Ancestry of “kthanksbye”, step by step

kthanksbye traces back through 3 separate lines of ancestry.

via English bye

StepLanguageWordMeaning
1EnglishbyeThe position of a person or team in a tournament...
2Old Englishlullaby!; near, by; by, near, around
3Proto-West Germanicby, at; near, around
4Proto-Germanicbiby, at; near, around
5Proto-Indo-Europeanh₂m̥bʰiaround, on either side of, about; in exchange...
6Proto-Indo-Europeanh₂n̥tbʰi
7Proto-Indo-Europeanh₂éntsforehead; front
8Proto-Indo-Europeanh₂ent-face; forehead; front
9Proto-Indo-Europeanh₂en-on, onto

via English K

StepLanguageWordMeaning
1EnglishKThe ordinal number eleventh, derived from this...
2Englishkilo-API; In the International System of Units and...
3Frenchkilo-kilo
4Ancient Greekχίλιοιthousand
5Proto-Hellenic*kʰehliyoithousand
6Proto-Indo-Europeanǵʰéslomthousand
7Proto-Indo-Europeansm̥-one; with, together
8Proto-Indo-Europeansem-together, one

via English thanks

StepLanguageWordMeaning
1EnglishthanksUsed to express appreciation or gratitude; plural...
2Middle Englishthanks
3Old Englishþancasthanks
4Proto-Germanicþankōs
5Proto-Germanicþankazthought; mind; consideration; remembrance;...
6Proto-Indo-Europeanteng-to think
Every word from Proto-Indo-European h₂en-
kthanksbye — Etymology, Origin & Word History | Etymology Explorer