LEAST: cross, drop, then return left
Trace LEAST from L at row 2, column 5. Continue to E at row 2, column 6, then A at row 3, column 6. Take S at row 3, column 5 and finish on T at row 3, column 4. Read L, E, A, S, T in that order. The downward step comes between E and A; the final two steps stay on the same row.
Move right, down, left, left. Turn first at E and then at A, making three straight segments across two rows and three columns. E at row 2, column 6 and A at row 3, column 6 touch the edge; no corner is visited. After the second turn, keep moving left through S to T.
The start and end cells each have four open orthogonal neighbors in the board layout. Use the full five-cell sequence to check how this word fits among those connections. LEAST accounts for five open cells, leaving 21. Its L, E, A, and T appear elsewhere on this board, so compare their positions as well as their spelling.