Where does “обдурений” come from?

обдурений (Ukrainian) comes from Ukrainian -ений, from Russian -ёный, from Old East Slavic -енъ, from Proto-Slavic -ěnъ — Forming adjectives meaning 'made of '; -en.

Ancestry of “обдурений”, step by step

StepLanguageWordMeaning
1Ukrainian-енийUsed to form passive participles from imperfective and perfective verbs
2Russian-ёныйSuffix used to form passive-participle-like...
3Old East Slavic-енъ
4Proto-Slavic-ěnъForming adjectives meaning 'made of '; -en
Every word from Proto-Slavic -ěnъEvery word from Ukrainian -енийEvery word from Russian -ёный