Where does “मंगलबाः” come from?

मंगलबाः (Newari) comes from Sanskrit मङ्गलवार, from Ancient Greek ἡμέρα Ἄρεως.

Ancestry of “मंगलबाः”, step by step

StepLanguageWordMeaning
1Sanskritमङ्गलवारof the planet Mars
2Ancient Greekἡμέρα Ἄρεως
Every word from Ancient Greek ἡμέρα ἌρεωςEvery word from Sanskrit मङ्गलवार