The story
Possibly by analogy with a rider or stablehand taking the reins of a horse.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: To take charge of, especially for purposes of discipline or improvement. Full definition →
Possibly by analogy with a rider or stablehand taking the reins of a horse.
Etymology from Wiktionary, CC BY-SA 4.0.