- basis (n.)
[basis 词源字典]
- 1570s, "bottom or foundation (of something material)," from Latin basis "foundation," from Greek basis "a step, stand, base, that whereon one stands," from bainein "go, step" (see come). Transferred and figurative senses (of immaterial things) are from c. 1600.[basis etymology, basis origin, 英语词源]