Where does “Rockville” come from?

Rockville derives from English rock and English ville, where ville comes from French ville, which comes from Arabic رُخّ, ultimately tracing to Proto-Indo-European kreg- and Proto-Indo-European en.

Ancestry of “Rockville”, step by step

StepLanguageWordMeaning
1EnglishRockfor someone living near a rock or an oak (atter + oke)
2Englishrock and rollA genre of popular music that evolved in the...
3EnglishandAs a coordinating conjunction; expressing two...
4Middle EnglishanAlternative form of in; Alternative form of and;...
5Old Englishondand
6Old Englishandand; even; also
7Proto-Germanicandiin addition, furthermore, and
8Proto-Indo-Europeanh₂éntiopposite; near; in front
9Proto-Indo-Europeanh₂éntsforehead; front
10Proto-Indo-Europeanh₂ent-face; forehead; front
11Proto-Indo-Europeanh₂en-on, onto
Every word from Proto-Indo-European h₂en-Every word from Proto-Indo-European h₂ent-Every word from Proto-Indo-European h₂énts