Where does “thank-worthy” come from?

thank-worthy (Middle English) comes from Middle English thanke worth, from Old English þancweorþ, from Old English weorþ, from Proto-Germanic werþaz, from Proto-Indo-European wert-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “thank-worthy”, step by step

thank-worthy traces back through 3 separate lines of ancestry.

via Middle English thanke worth

StepLanguageWordMeaning
1Middle Englishthanke worth—
2Old Englishþancweorþthankworthy, deserving of thanks; acceptable
3Old Englishweorþworth, deserving; honoured, esteemed; worth,...
4Proto-Germanicwerþazworthy, valuable
5Proto-Indo-Europeanwert-to turn, to rotate
6Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

via Middle English thankworth

StepLanguageWordMeaning
1Middle Englishthankworth—

via Middle English þancwurðe

StepLanguageWordMeaning
1Middle Englishþancwurðethankworthy

Words derived from “thank-worthy”

Every word from Proto-Indo-European wer- →Every word from Proto-Indo-European wert- →Every word from Proto-Germanic werþaz →