Where does “sunnuntaisuhari” come from?

sunnuntaisuhari (Finnish) comes from Finnish suhari, from Russian шофёр, from French chauffeur, from French chauffer, from Middle French chauffer, from Old French chauffer, from Old French chaufer, from Vulgar Latin calefare.

Ancestry of “sunnuntaisuhari”, step by step

sunnuntaisuhari traces back through two separate lines of ancestry.

via Finnish suhari

StepLanguageWordMeaning
1Finnishsuharidriver; jehu
2Russianшофёрchauffeur; driver
3Frenchchauffeurstoker; fireman; driver; chauffeur
4Frenchchaufferto heat, to warm, to warm up; to tease, to entice...
5Middle Frenchchauffer
6Old FrenchchaufferAlternative form of chaufer
7Old Frenchchauferto heat; to heat up; to warm
8Vulgar Latincalefare
9Latincalefaciōto warm or heat
10Latinfaciōto do
11Latin-toriumnominative neuter singular of -tōrius; accusative...
12Latin-tōriusory
13Latin-tor-er
14Proto-Italic-tōrForms agent nouns to verb stems
15Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
16Proto-Indo-European-tor-s

via Finnish sunnuntai

StepLanguageWordMeaning
1FinnishsunnuntaiSunday
2Old SaxonsunnundagSunday
3Proto-Germanic*Sunnōn dag
4Latindies Solissun's day
5Latinsōl
6Proto-Indo-Europeansóh₂wl̥sun
Every word from Proto-Indo-European -tor-sEvery word from Latin -toriumEvery word from Latin -tor