Where does “Диккенс” come from?

Диккенс (Russian) comes from English Dickens, from English Dicken, from English Dick, from English declaration, from Middle English declaration, from Old French declaration, from Latin declaratio, from Latin -tiō — limestone; chalk; the finish line.

Ancestry of “Диккенс”, step by step

Step	Language	Word	Meaning
1	English	Dickens	—
2	English	Dicken	—
3	English	Dick	—
4	English	declaration	A written or oral indication of a fact, opinion,...
5	Middle English	declaration	—
6	Old French	declaration	—
7	Latin	declaratio	The act of making clear; a disclosure,...
8	Latin	-tiō	—
9	Latin	dissertātiō	—
10	Latin	dissertus	arranged, disposed; explained
11	Latin	disserere	second-person singular future passive indicative...
12	Latin	dis-	asunder, apart, in two; reversal, removal;...
13	Latin	calceus	shoe
14	Latin	calx	limestone; chalk; the finish line

Every word from Latin calx →