Where does “thrugh” come from?

thrugh (Middle English) comes from Old English þurh, from Proto-Germanic þurhw, from Proto-Indo-European tr̥h₂kʷe, from Proto-Indo-European terh₂- — to cross over, pass through, overcome.

Ancestry of “thrugh”, step by step

StepLanguageWordMeaning
1Old EnglishþurhAPI; through; by means of: by, through, via
2Proto-Germanicþurhwthrough
3Proto-Indo-Europeantr̥h₂kʷe—
4Proto-Indo-Europeanterh₂-to cross over, pass through, overcome

Words derived from “thrugh”

Every word from Proto-Indo-European terh₂- →Every word from Proto-Indo-European tr̥h₂kʷe →Every word from Proto-Germanic þurhw →