early 15c., "pertaining to versification, characterized by poetic measure or rhythm," from Latin metricus "metrical," from Greek metrikos "of or for meter, metrical," from metron "poetic meter" (from PIE root *me- (2) "to measure"). Old English had meterlic in this sense. Meaning "pertaining to measure or the use of weights and measures" is from 1640s. Related: Metrically.
updated on January 08, 2019