Where does “оплошность” come from?

оплошность (Russian) comes from Russian опло́шный, from Russian оплоша́ть, from Russian плоша́ть, from Russian -а́ть, from Proto-Slavic -ati, from Proto-Slavic -ěti, from Proto-Balto-Slavic -ēˀtei, from Proto-Indo-European -éh₁ti — Creates stative verbs from perfective roots;...

оплошность (Russian): inadvertence, negligence

Definitions

  1. inadvertence, negligence

Ancestry of “оплошность”, step by step

StepLanguageWordMeaning
1Russianопло́шныйwrong, erroneous
2Russianоплоша́тьto make a mistake, to blunder
3Russianплоша́тьto make a mistake, to blunder
4Russian-а́тьThe infinitive suffix for many verbs. Usually indicates an imperfective verb
5Proto-Slavic-atiFrom imperfective verbs, forming...
6Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
7Proto-Balto-Slavic-ēˀtei
8Proto-Indo-European-éh₁tiCreates stative verbs from perfective roots;...
Every word from Proto-Indo-European -éh₁tiEvery word from Russian -а́тьEvery word from Proto-Slavic -ěti