-дей

See also: дей, дэи, and дэй

Russian

Alternative forms

• -дѣ́й (-dě́j) — Pre-reform orthography (1918)

Etymology

Combining form of де́ять (déjatʹ, “to do”), Inherited from Old East Slavic дѣꙗти (dějati), from Proto-Slavic *dějati, an extension of Proto-Slavic *děti (“to do, to say”) (whence деть (detʹ)), from Proto-Balto-Slavic *dḗˀtei, ultimately from Proto-Indo-European *dʰeh₁- (“to do”).

Suffix

-де́й • (-déj)

1. Suffix added to stems to show that it does something; a doer.

   ‎ча́ры (čáry, “magic”) + ‎-дей (-dej) → ‎чароде́й (čarodéj, “magician, sorcerer”)

   ‎ли́хо (líxo, “evil”) + ‎-дей (-dej) → ‎лиходе́й (lixodéj, “evildoer”) (poetic)

Declension

Declension of -де́й (anim masc-form vowel-stem accent-a) 

	singular	plural
nominative	-де́й -déj	-де́и -déi
genitive	-де́я -déja	-де́ев -déjev
dative	-де́ю -déju	-де́ям -déjam
accusative	-де́я -déja	-де́ев -déjev
instrumental	-де́ем -déjem	-де́ями -déjami
prepositional	-де́е -déje	-де́ях -déjax

Derived terms

Russian terms suffixed with -дей

See also

• -тель (-telʹ), -арь (-arʹ), -ник (-nik), -ец (-ec) (suffixes for "a doer")