Proto-Indo-Europeaned

(/ˌpɹəʊ̯təʊ̯ˌɪndə(ʊ̯)ˌjʊə̯ɹəˈpiːənd/)

adj.

Too drunk to account for where a word came from, but certain it came from somewhere very old and very far away.

Shenard was Proto-Indo-Europeaned and tracing every noun back to a root that predated the pub.