дейност

From де́ен (déen, “active; hard-working”) +‎ -ост (-ost).

• IPA^(key): [ˈdɛjnost]

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• Hyphenation^(key): дей‧ност

де́йност • (déjnost) f

1. (usually in the singular) activity; work (things done in an area of life; work, occupation)

   Со́фия е гра́д с бога́та култу́рна де́йност.

   Sófija e grád s bogáta kultúrna déjnost.

   Sofia is a city of rich cultural activity.

   Тя́ се занима́ва с благотвори́телна де́йност.

   Tjá se zanimáva s blagotvorítelna déjnost.

   She does charity work.

2. (biology, uncountable) function (physiological activity of an organ or body part)

   сърде́чна де́йност ― sǎrdéčna déjnost ― heart function

   мо́зъчна де́йност ― mózǎčna déjnost ― brain function

• “дейност”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
• “дейност”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010
• Georgiev, Vladimir I., editor (1971), “деен; дейност”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volumes 1 (А – З), Sofia: Bulgarian Academy of Sciences Pubg. House, →ISBN, page 333