Where does “бомбоубежище” come from?

бомбоубежище (Russian) comes from Russian убе́жище, from Russian убежа́ть, from Russian бежа́ть, from Russian бечь, from Proto-Slavic běťi, from Proto-Balto-Slavic bḗˀgtei, from Proto-Indo-European bʰégʷeti, from Proto-Indo-European bʰegʷ- — to flee; to run.

бомбоубежище (Russian): bomb shelter, air-raid shelter

Definitions

  1. bomb shelter, air-raid shelter

Ancestry of “бомбоубежище”, step by step

бомбоубежище traces back through two separate lines of ancestry.

via Russian убе́жище

StepLanguageWordMeaning
1Russianубе́жищеrefuge
2Russianубежа́тьto flee
3Russianбежа́тьto run, to be running
4Russianбечь
5Proto-SlavicběťiAlternative form of *běgati; to run, flee; to...
6Proto-Balto-Slavicbḗˀgteito flee, run
7Proto-Indo-Europeanbʰégʷeti
8Proto-Indo-Europeanbʰegʷ-to flee; to run

via Russian бо́мба

StepLanguageWordMeaning
1Russianбо́мбаbomb
2Ancient Greekβόμβοςany deep, hollow sound, humming, buzzing,...
Every word from Proto-Indo-European bʰegʷ-Every word from Proto-Indo-European bʰégʷetiEvery word from Proto-Balto-Slavic bḗˀgtei