- alphanumeric (adj.)
[alphanumeric 词源字典]
- 1912, contracted from alphabet + numeric (see numerical).[alphanumeric etymology, alphanumeric origin, 英语词源]
- numerical (adj.)
- 1620s, from Latin numerus "a number" (see number (n.)) + suffix -ical. Perhaps by influence of French numérique "of a number or numbers." Related: Numerically.