The story
From upholster(er) + -ing. Attested c. 50 years before the verb upholster.
Etymology from Wiktionary, CC BY-SA 4.0.
upholstering
Today it means: The padding, springs, webbing, and covers found on furniture. Full definition →
Today it means: The padding, springs, webbing, and covers found on furniture. Full definition →
From upholster(er) + -ing. Attested c. 50 years before the verb upholster.
Etymology from Wiktionary, CC BY-SA 4.0.