Where does “дугообразный” come from?

дугообразный (Russian) comes from Russian дуга́, from Old East Slavic дуга, from Proto-Slavic dǫga, from Proto-Balto-Slavic dangāˀ — cover.

дугообразный (Russian): arched, bow-shaped

Definitions

  1. arched, bow-shaped

Ancestry of “дугообразный”, step by step

дугообразный traces back through two separate lines of ancestry.

via Russian дуга́

StepLanguageWordMeaning
1Russianдуга́arc
2Old East Slavicдугаrainbow
3Proto-Slavicdǫgaarc, arch; rainbow
4Proto-Balto-Slavicdangāˀcover

via Russian о́браз

StepLanguageWordMeaning
1Russianо́бразlooking; shape, image, figure
Every word from Proto-Balto-Slavic dangāˀ →Every word from Proto-Slavic dǫga →Every word from Old East Slavic дуга →