  We present high spectral resolution (v~12-16 km/s) Brackett line spectroscopy
of the blue compact dwarf galaxy Henize 2-10 made with NIRSPEC on the Keck
Telescope. The spatial resolution is seeing limited, at 1". We detect two
distinct kinematic features separated by approximately 3", with heliocentric
velocities of ~860 and ~890 km/s. In addition to a narrow core, the line
profiles also display a broad, low intensity feature on the blue side of the
centroid, which we attribute to an outflow. This may be a sign of aging in the
clusters. We compare to archival high resolution Very Large Array (VLA) data at
1.3 cm, and find that the centimeter wavelength emission is resolved into six
sources. These radio sources are organized into two larger groups, which we
associate with the two kinematic peaks in the Brackett spectrum. We estimate a
Lyman continuum rate of at least 7 x 10^52 s^-1, with a corresponding stellar
mass of 6 x 10^6 M_sun is required to ionize the nebulae. We also estimate the
size of the nebulae from the radio continuum brightness and find that the
observed sources probably contain many HII regions in smaller, unresolved
clumps. Brackett line profiles have supersonic line widths, but, aside from the
blue wing, are comparable to line widths observed in Galactic ultracompact HII
regions, which are excited by a single star, or a few stars.
