Where does “обороноспособность” come from?

обороноспособность (Russian) comes from Russian обороноспосо́бный, from Russian -о-, from Old East Slavic -о-, from Proto-Slavic -o-.

обороноспособность (Russian): readiness for defense

Definitions

  1. readiness for defense

Ancestry of “обороноспособность”, step by step

StepLanguageWordMeaning
1Russianобороноспосо́бныйready for defense, prepared for defense; defensible
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- →