The story
- Proto-Indo-European*(s)teyg-
- Proto-Italic*stiglos?
- Latinstilu
- Italianstilo
- Italianstiletto
- English todaystiletto
Unadapted borrowing from Italian stiletto. By surface analysis, stilus + Italian -etto. Doublet of stilet and stylet.
Words from the same roots
Italianstiletto all →
stylet
First known use, by meaning
- 16th–17th c. A beard trimmed into a pointed form.
Etymology from Wiktionary, CC BY-SA 4.0.