Gr. ἡμι- hēmi-  small  < ἡμισυς hēmisus  half; παλαμη palamē  palm of the hand (i.e. web of the foot).
● (syn. Calidris Ϯ Semipalmated Sandpiper C. pusilla) "third, a new subgenus which I propose to institute under the name of Hemipalama, for the TRINGA semipalmata of Wilson, the characters of which will be, toes semipalmated" (Bonaparte 1825).
● (syn. Calidris Ϯ Stilt Sandpiper C. himantopus) "75. Hemipalama, Bp.   205. himantopus, Bp. (douglasi, Sw.  auduboni, Nutt.  multifasciata, Licht.)" (Bonaparte 1856 (here the Tringa semipalmata of Wilson is treated under Ereunetes)).  Var. Hemipalma.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 24 January 2019).