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early 15c., "shadow, shade," from Middle French ombrage "shade, shadow," from Latin umbraticum, neuter of umbraticus "of or pertaining to shade," from umbra "shade, shadow," from PIE root *andho- "blind, dark" (cf. Sanskrit andha-, Avestan anda- "blind, dark"). Many figurative uses in 17c.; main remaining one is the meaning "suspicion that one has been slighted," first recorded 1610s; hence phrase to take umbrage at, attested from 1670s.