Cleaning a Floor Using a Lot of Effort
This page is the CodyCross answer for the clue below from Tracking Time, Group 1046, Puzzle 4 (Prehistoric).
Question is: Cleaning a Floor Using a Lot of Effort
and the answer is: SCRUBBING
Word Meaning:
SCRUBBING — present participle and gerund of scrub
Definitions from Wiktionary.