Plural of decking; materials used to surface or cover decks, or the act of knocking someone down.
From 'deck' (either the ship structure or the verb meaning to knock down), with the gerund/noun suffix '-ing' and plural '-s.' Dual meanings emerged from different root uses.
The same word describes both the beautiful teak wood on a luxury yacht AND what happens when someone gets punched to the ground—English homonyms can be wild!
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