Where does “Dylong” come from?

Dylong (Polish) comes from Polish Dyląg, from Polish Dyl, from Middle High German [[dil]], [[dille]].

Ancestry of “Dylong”, step by step

Step	Language	Word	Meaning
1	Polish	Dyląg	—
2	Polish	Dyl	—
3	Middle High German	[[dil]], [[dille]]	—

Dylong — Etymology, Origin & Word History | Etymology Explorer