The story
- Middle High Germantrampeln
- Germantrampeln
- Italiantrampolo
- Italiantrampolino
- Spanishtrampolín
- Italiantrampolino
- English todaytrampoline
From Spanish trampolín and/or Italian trampolino; in English, a genericized trademark based on the Spanish word trademarked in 1936, but attested since 1798.
Etymology from Wiktionary, CC BY-SA 4.0.