Where does “valvontapeili” come from?

valvontapeili (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...

valvontapeili (Finnish): surveillance mirror, security mirror

Definitions

  1. surveillance mirror, security mirror

Ancestry of “valvontapeili”, step by step

valvontapeili 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 valvonta

StepLanguageWordMeaning
1Finnishvalvontamonitoring, surveillance; supervision; control
2Finnishvalvoato stay up, stay awake; to oversee, supervise,...
3Finnish-oaForms frequentative verbs, primarily from nouns...
4Proto-Finnic-odakForms some verbs
5Proto-Uralic-w-
Every word from Proto-Indo-European -tḗrEvery word from Proto-Italic -klomEvery word from Latin speculum