Two-syllable Slavic name.
丹 (dān) for "Dan-" (also used for Danes/Denmark
丹麦) and
科 (kē) for the "-ko" ending common in Slavic names (compare
米兰科,
马尔科). The most famous literary Danko is Gorky's character who lights his own heart on fire as a torch - a stock symbol of self-sacrifice taught in Soviet-era and Chinese school anthologies.