Plod (verb)

To walk or move heavily and slowly, especially when tired or carrying a heavy load.

Origin:

Derived from the middle english word 'ploden' meaning 'to work hard'.

Examples:

1. He plodded through the muddy field, struggling to keep his balance.
2. She plodded up the stairs, feeling exhausted after a long day of work.
3. The horse plodded along the path, pulling the cart behind it.
4. The soldier plodded through the snow, his feet sinking into the drifts with every step.
5. Despite the challenges, he plodded on, determined to reach his goal.