Where does “квалифицироваться” come from?

квалифицироваться (Russian) comes from Russian квалифицировать, from German qualifizieren, from Medieval Latin qualificare, from Latin -ficō, from Latin -ficus, from Proto-Italic -fakos — -making, -producing.

Ancestry of “квалифицироваться”, step by step

StepLanguageWordMeaning
1Russianквалифицироватьto qualify
2Germanqualifizierento qualify
3Medieval Latinqualificarepresent active infinitive of quālificō;...
4Latin-ficōforms factitive, causative, or other verbs from the roots of nouns and adjectives; -ify
5Latin-ficusForms adjectives that denote bringing or making
6Proto-Italic-fakos-making, -producing
Every word from Proto-Italic -fakosEvery word from Latin -ficōEvery word from Latin -ficus