The story
- Middle French · derived frommerlet
- Medieval Latin · derived frommartineta
- Middle French · derived frommartinet
- Middle English · inherited frommartilet
- English todaymartlet
From Middle English martilet, probably a blend of martinet (“martin”; from Middle French martinet and Medieval Latin martineta) and Middle French merlet.
Etymology from Wiktionary, CC BY-SA 4.0.