The ornamental design for a portion of a tableleg, as shown and described.
FIG. 1 is a perspective view of the portion of the table leg;
FIG. 2 is a front elevation view of the portion of the table leg;
FIG. 3 is an elevation view of the portion of the table leg from the right side of FIG. 2;
FIG. 4 is an elevation view of the portion of the table leg from the left side of FIG. 2;
FIG. 5 is a rear elevation view of the portion of the table leg;
FIG. 6 is a top view of the portion of the table leg; and,
FIG. 7 is a bottom view of the portion of the table leg.
The upper portion of the table leg and inside bottom surface of the leg shown in FIG. 7 are shown in broken lines for environmental purposes only and form not part of the claimed design.