Keying option n" is the term used by the standards (X9.52, FIPS PUB 46-3, SP 800-67, ISO/IEC 18033-3) that define the TDEA. However, other terms are used in other standards and related recommendations, and general usage.
For keying option 1:
3TDEA, in NIST SP 800-57[12] and SP 800-78-3[13]
Triple-length keys, in general usage[14][15]
For keying option 2:
2TDEA, in NIST SP 800-57[12] and SP 800-78-3[13]
Double-length keys, in general usage[14][15]