- multilateral (adj.)
[multilateral 词源字典]
- also multi-lateral, 1690s, in geometry, "having many sides," from multi- + Latin latus (genitive lateris) "side" (see oblate (n.)). Figurative use by 1748. Meaning "pertaining to three or more countries" is from 1802. Related: Multilaterally.[multilateral etymology, multilateral origin, 英语词源]