Where does “автовлак” come from?

автовлак (Bulgarian) comes from Russian авто́-, from Ancient Greek αὐτός, from French mobile, from Latin mōbilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

автовлак (Bulgarian): road train automobile which drags carriages behind it

Definitions

  1. road train automobile which drags carriages behind it

Ancestry of “автовлак”, step by step

StepLanguageWordMeaning
1Russianавто́-auto-, self- regarding oneself
2Ancient Greekαὐτόςαὐτή f, αὐτό n; "first/second declension";...
3Frenchmobilemobile; moving; movable
4Latinmōbilismovable, loose
5Latin-bilis-ble
6Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
7Proto-Indo-European-dʰlis
8Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...
Every word from Proto-Indo-European -dʰlom