GRAPH-WIDE SEARCH
MEASURE THE GRAPH ↗NOT JUST A DICTIONARY LOOKUP
6 EVIDENCE COLLECTIONSSEARCH
THE GRAPH.
Find a modern word—or search sideways through reconstructed roots, historical forms, meanings, languages, scholars, sources, claims, disputes, and witnesses.
MODERN ENTRY POINTS
WORD DOSSIERS
ATTESTED / RECONSTRUCTED / BOUNDARY
HISTORICAL FORMS
sauna
a Finnish-style steam bath or the room in which it is taken
- DATE
- 1881–today
- MATCH
- exact historical form
- DOSSIERS
- 1
sauna
sauna; bathhouse
- DATE
- Finnish
- MATCH
- exact historical form
- DOSSIERS
- 1
*sakna
sauna; proposed earlier stove reference
- DATE
- Proto-Finnic reconstruction
- MATCH
- gloss
- DOSSIERS
- 1
WHERE INTERPRETATION IS TESTED
CLAIMS & DISPUTES
SCHOLARLY DISPUTES / 1
Is Finnish sauna ultimately an ancient Germanic loan?
Petri Kallio proposes Proto-Finnic *sakna as an ancient borrowing from Palaeo-Germanic *stagh-ná-, with pile or stack developing through stone-pile stove to sauna. The proposal has support but remains disputed.
CONTRARIAN TRUTHS / 1
The Finnish icon may be an ancient import.
A published proposal derives Proto-Finnic *sakna from a reconstructed Germanic pile or stack word through the heated stone pile of an early sauna stove. The edge remains visibly disputed.
BOOKS / DICTIONARIES / ARTICLES / DATABASES
SOURCES
Sauna
Kirsti Aapala · Klaas Ruppel / 2019
exact titleAUDIT EVERY USE ↗Sauna — Word History
Merriam-Webster Editors / 2026
title prefixAUDIT EVERY USE ↗The Etymology of Finnish sauna “Sauna”
Petri Kallio / 2008
source titleAUDIT EVERY USE ↗FIRST USES & HISTORICAL OBJECTS
ATTESTATION WITNESSES
SEARCH IS DISCOVERY, NOT PROOF
EVERY RESULT OPENS A PERMANENT EVIDENCE RECORD.
Matching text only locates a record. It does not raise confidence, settle a dispute, establish cognacy, or turn a source report into direct inspection. Follow the result into its citations and editorial limits.