Etymology

15th century as Periodus m or f, a learned borrowing from Latin periodus f, at first in the grammatical sense. The semantic development as well as the form in -e (17th c.) likely under influence of French période.

Pronunciation

Noun

Periode f (genitive Periode, plural Perioden)

(biology) period, menstruation
Synonyms: (more formal) Menstruation, (Monats-)Regel, Monatsblutung, Regelblutung, (informal) Tage, (medical) Menses
(higher register) period (length of time with start and end point)
Synonyms: Zeitraum, Phase, (Zeit-)Abschnitt, (Zeit-)Spanne; Intervall, Stadium; (history) Zeitalter, Epoche, Ära
(grammar, rhetoric) period (lengthy but well formed sentence)

Usage notes

Periode in the sense of “menstruation”, though not necessarily the most frequent word altogether, is the most register-neutral, i.e. that which can be used in any context without sounding strange.

Declension

Declension of Periode [feminine]

More information singular, plural ...

Derived terms

Periodendauer
Periodenfrequenz
Periodensystem

Abrechnungsperiode
Amtsperiode
Heizperiode
Hitzeperiode
Kälteperiode
Lallperiode
Legislaturperiode
Maximalperiode
Minimalperiode
Schaffensperiode
Schlechtwetterperiode
Schönwetterperiode
Sprachperiode
Tauwetterperiode
Trockenperiode
Wahlperiode
Wischperiode

Further reading

	singular			plural
	indef.	def.	noun	def.	noun
nominative	eine	die	Periode	die	Perioden
genitive	einer	der	Periode	der	Perioden
dative	einer	der	Periode	den	Perioden
accusative	eine	die	Periode	die	Perioden

German