value (n.) Look up value at Dictionary.com
c.1300, from Old French value "worth, value" (13c.), noun use of fem. past participle of valoir "be worth," from Latin valere "be strong, be well, be of value" (see valiant). The meaning "social principle" is attested from 1918, supposedly borrowed from the language of painting. Value judgment (1892) is a loan-translation of German Werturteil.
value (v.) Look up value at Dictionary.com
mid-15c., probably from value (n.). Related: Valued, valuing.