Where does “Дьяконов” come from?

Дьяконов (Russian) comes from Russian дьякон, from Ancient Greek διάκονος, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

Ancestry of “Дьяконов”, step by step

StepLanguageWordMeaning
1Russianдьяконdeacon
2Ancient Greekδιάκονοςmessenger, courier; servant; minister, deacon,...
3Ancient Greekδῐᾰ-apart; through, across; through; in different...
4Ancient Greekδιάthroughout
5Proto-Indo-Europeandwístwice, doubly; in two
6Proto-Indo-Europeandwóh₁two
Every word from Proto-Indo-European dwóh₁Every word from Ancient Greek δῐᾰ-Every word from Proto-Indo-European dwís