Where does “apupeili” come from?

apupeili (Finnish) comes from Finnish peili, from Swedish spegel, from Old Swedish speghil, from Old Norse spegill, from Middle Low German spēgel, from Old Saxon spēgal, from Proto-Germanic *spēgl, from Medieval Latin speglum — Derives agent nouns from verbs, denoting someone...

apupeili (Finnish): auxiliary mirror

Definitions

  1. auxiliary mirror

Ancestry of “apupeili”, step by step

apupeili traces back through two separate lines of ancestry.

via Finnish peili

StepLanguageWordMeaning
1Finnishpeilimirror
2Swedishspegela mirror; a smooth reflecting surface; something...
3Old Swedishspeghil
4Old Norsespegillmirror, looking glass Synonym: skuggsjá
5Middle Low Germanspēgel
6Old Saxonspēgal
7Proto-Germanic*spēgl
8Medieval Latinspeglum
9Latinspeculuma looking-glass, mirror
10Proto-Italic-klom
11Proto-Indo-European-tlomAlternative form of *-trom
12Proto-Indo-European-tromForms nouns denoting a tool or instrument
13Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via Finnish apu

StepLanguageWordMeaning
1Finnishapuhelp; assistance; helping hand
2Proto-FinnicapuAlternative form of *api
Every word from Proto-Indo-European -tḗr