The story
From water + diaper, because the diaper is worn in the water.
Etymology from Wiktionary, CC BY-SA 4.0.
water diaper
Today it means: Synonym of swim diaper. Full definition →
Today it means: Synonym of swim diaper. Full definition →
From water + diaper, because the diaper is worn in the water.
Etymology from Wiktionary, CC BY-SA 4.0.