English
trochlea
Trochlea comes from Latin trochlea ‘case or sheaf containing one or more pulleys,…’, from Ancient Greek τρέχω ‘run, move quickly’, and ultimately from Proto-Indo-European *drem-.
- Proto-Indo-Europeanc. 4500–2500 BCE*drem-‘to run’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*dʰregʰ-‘to run, drag’reconstructed
- Ancient Greekc. 800–300 BCEτρέχω‘run, move quickly’
- Ancient Greek, derivedc. 800–300 BCEτροχῐ́λος‘sheave in block-and-tackle equipment’
- Ancient Greek, derivedc. 800–300 BCEτροχῐλείᾱ‘pulley, block-and-tackle equipment’
- Latinc. 75 BCE–200 CEtrochlea‘case or sheaf containing one or more pulleys, block’
- Englishtodaysame form
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*drem-‘to run’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*dʰregʰ-‘to run, drag’reconstructed
- Ancient Greekc. 800–300 BCEτρέχω‘run, move quickly’
- Ancient Greek, derivedc. 800–300 BCEτροχῐ́λος‘sheave in block-and-tackle equipment’
- Ancient Greek, derivedc. 800–300 BCEτροχῐλείᾱ‘pulley, block-and-tackle equipment’
- Latinc. 75 BCE–200 CEtrochlea‘case or sheaf containing one or more pulleys, block’
- Englishtodaysame form
Linked words
through Proto-Indo-European *drem- ‘to run’
syndrome, dormant, dormitory, dormer, dromedary, 24 more
through Proto-Indo-European *dʰregʰ- ‘to run, drag’
draw, train, draft, attractive, drag, portrait, attraction, retreat, extraction, distraction, tract, draught, entreat, 52 more
Today it means
noun In the elbow joint, the articular surface of the lower extremity of the humerus, grasped by the trochlear notch of the ulna.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *drem- / trochlea