Where does “asfaltoiminen” come from?

asfaltoiminen (Finnish) comes from Finnish asfaltoida, from Finnish asfaltti, from Swedish asfalt, from Late Latin asphaltum, from Ancient Greek ἄσφαλτος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥- — together, one.

Ancestry of “asfaltoiminen”, step by step

StepLanguageWordMeaning
1Finnishasfaltoidato pave with asphalt
2Finnishasfalttiasphalt concrete
3Swedishasfaltasphalt, asphalt concrete
4Late Latinasphaltum
5Ancient Greekἄσφαλτοςasphalt, bitumen
6Ancient Greekἀ-The alpha privativum, used to make words that...
7Proto-Hellenichə-same; together
8Proto-Indo-Europeansm̥-one; with, together
9Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European sem-Every word from Ancient Greek ἀ-Every word from Proto-Indo-European sm̥-