Where does “ristilukki” come from?

ristilukki (Finnish) comes from Finnish lukki, from Finnish Luukas, from Latin Lūcās, from Ancient Greek Λουκᾶς, from Latin Lucius, from Latin lux, from Proto-Italic louks, from Proto-Indo-European lewḱ- — bright; to shine; to see.

Ancestry of “ristilukki”, step by step

ristilukki traces back through two separate lines of ancestry.

via Finnish lukki

StepLanguageWordMeaning
1FinnishlukkiA harvestman; A straddle carrier
2FinnishLuukasLuke biblical character
3LatinLūcāsLuke the Evangelist
4Ancient GreekΛουκᾶςman from Lucania
5LatinLuciusa fish, probably the pike
6Latinluxlight; daylight, day, moonlight; life
7Proto-Italicloukslight
8Proto-Indo-Europeanlewḱ-lynx
9Proto-Indo-Europeanlewk-bright; to shine; to see

via Finnish Risti

StepLanguageWordMeaning
1FinnishRisticross
2Finnish-iäinenFront vowel variant of -iainen
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewḱ-Every word from Proto-Italic louks