Where does “пожароопасность” come from?

пожароопасность (Russian) comes from Russian пожароопа́сный, from Russian -о-, from Old East Slavic -о-, from Proto-Slavic -o-.

пожароопасность (Russian): fire hazard

Definitions

  1. fire hazard

Ancestry of “пожароопасность”, step by step

StepLanguageWordMeaning
1Russianпожароопа́сныйfire hazard; (fire) hazardous hazardous due to the risk of fire
2Russian-о-water; art; owner
3Old East Slavic-о-—
4Proto-Slavic-o-—
Every word from Proto-Slavic -o- →Every word from Russian -о- →Every word from Old East Slavic -о- →