Where does “*spēgl” come from?

*spēgl (Proto-Germanic) comes from Medieval Latin speglum, from Latin speculum, from Proto-Italic -klom, from Proto-Indo-European -tlom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

Ancestry of “*spēgl”, step by step

StepLanguageWordMeaning
1Medieval Latinspeglum
2Latinspeculuma looking-glass, mirror
3Proto-Italic-klom
4Proto-Indo-European-tlomAlternative form of *-trom
5Proto-Indo-European-tromForms nouns denoting a tool or instrument
6Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

Words derived from “*spēgl

Every word from Proto-Indo-European -tḗrEvery word from Proto-Italic -klomEvery word from Latin speculum