zeitgeber n. a naturally occurring cue, such as light or temperature, which regulates biological rhythms; something which influences or regulates the timing or rhythm of something else. Etymological Note: zeit ‘time’ + geber ‘giver.’ Coined by Jürgen Aschoff, ca. 1954. (source: Double-Tongued Dictionary)
Further reading
Susan from Virginia Beach, Virginia, shares the phrase her mother used when the kids refused to eat: It’ll grow hair on your back teeth. This supposed motivator likely blends two older traditions: a German idiom, Haare auf den Zähnen haben...
In English, we may express regret colloquially with the rhyming phrase Shoulda, woulda, coulda! German speakers also use a rhyming phrase to suggest the same idea: Hätte, hätte, Fahrradkette!, which translates literally as “If only, if only, bicycle...
what does the biological organizion mean. I need a definnion of the word?