Meaning in the sources
Source-reportedMeaning: “My God is Yahu/Jah”
From Ілля́ (Illjá, “Illia (Elijah)”) + -ко (-ko).
Sources for this account (2)
- Wiktionary: ІлькоCC-BY-SA-4.0 · retrieved 2026-10-15
- Wikipedia: IlyaCC-BY-SA-4.0 · retrieved 2026-10-15

