Where does “Dexter” come from?

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

Ancestry of “Dexter”, step by step

StepLanguageWordMeaning
1EnglishDexterOne of a breed of small hardy cattle originating...
2Latindexterright (relative direction), right hand
3Proto-Italicdeksterosright side, direction
4Proto-Indo-Europeandeḱs(i)-tero-
5Proto-Indo-Europeandeḱs-right
Every word from Proto-Indo-European deḱs-Every word from Proto-Indo-European deḱs(i)-tero-Every word from Proto-Italic deksteros