- blood-red (adj.)
[blood-red 词源字典]
- Old English blodread; see blood (n.) + red (adj.1).[blood-red etymology, blood-red origin, 英语词源]
- infra-red
- also infrared, 1881 (noun and adjective), from infra- + red.
- rose-red (adj.)
- c. 1300, from rose (n.1) + red (adj.1).