köken: From Middle High German vrīlīche(n), from Old High German frīlīhhēn (“freely, without fear or inhibition”). By surface analysis, frei (“free”) + -lich (“-ly”).
Es war nur eine kurze, freilich heftige Erkrankung.
Die Bezahlung könnte freilich besser sein, aber die Arbeit macht mir Spaß.
köken: From Persian البته (albatte, “of course”), from Arabic اَلْبَتَّة (al-batta). Cognate with Tatar әлбәттә (älbättä), Kazakh әлбетте (älbette), Kyrgyz албетте (albette), Uzbek albatta, Turkmen elbetde, Azerbaijani əlbəttə, Turkish elbette, etc.
köken: Etymology tree Polish do Proto-Slavic *pràvьda Old Polish prawda Polish prawdy univ. Polish doprawdy Univerbation of do + prawdy. Compare Italian davvero.
Bulgarcaбезспо́рно, наистина, несъмне́но, разби́ра се, си́гурно /nɐˈistinɐ/
really, truly
köken: Etymology tree Bulgarian на (na) Bulgarian и́стина (ístina) univ. Bulgarian наистина Univerbation of на (na) + и́стина (ístina), literally, “in truth”.