Where does “стрьмоглавъ” come from?

стрьмоглавъ (Church Slavonic) comes from Proto-Slavic strьmъ, from Proto-Indo-European ter-, from Italian termine, from Latin terminus, from Proto-Italic termenos, from Proto-Indo-European térmn̥ — boundary, end.

Ancestry of “стрьмоглавъ”, step by step

стрьмоглавъ traces back through two separate lines of ancestry.

via Proto-Slavic strьmъ

StepLanguageWordMeaning
1Proto-Slavicstrьmъsteep
2Proto-Indo-Europeanter-tender, weak; young creature
3Italiantermineend, close; limit, term, date, time; term, word
4Latinterminusa boundary, limit, end
5Proto-Italictermenos—
6Proto-Indo-Europeantérmn̥boundary, end

via Proto-Slavic golvà

StepLanguageWordMeaning
1Proto-Slavicgolvàhead
2Proto-Balto-Slavicgalˀwā́ˀhead
3Proto-Indo-EuropeangelH-naked; head
Every word from Proto-Indo-European térmn̥ →Every word from Proto-Italic termenos →Every word from Proto-Indo-European ter- →