Where does “dextrarius” come from?

dextrarius (Latin) comes from Latin dexter, from Proto-Italic deksteros, from Proto-Indo-European deḱs(i)-tero-, from Proto-Indo-European deḱs- — right.

Ancestry of “dextrarius”, step by step

StepLanguageWordMeaning
1Latindexterright (relative direction), right hand
2Proto-Italicdeksterosright side, direction
3Proto-Indo-Europeandeḱs(i)-tero-
4Proto-Indo-Europeandeḱs-right

Words derived from “dextrarius

Every word from Proto-Indo-European deḱs-Every word from Proto-Indo-European deḱs(i)-tero-Every word from Proto-Italic deksteros