Where does “straitjacket” come from?

Straitjacket comes from English strait and jacket, where jacket derives from Middle French jacquet, Old French jaque, and ultimately Latin stringere meaning to bind tightly.

straitjacket (English): A jacket-like garment with very long sleeves...

Definitions

  1. A jacket-like garment with very long sleeves...

Ancestry of “straitjacket”, step by step

straitjacket traces back through two separate lines of ancestry.

via English strait

StepLanguageWordMeaning
1EnglishstraitNarrow; restricted as to space or room; close;...
2Italianstrettonarrow; tight; strict
3Spanishestrechonarrow; tight; close, kin
4Old Spanishestrechonarrow
5Latinstrictustightened, compressed, having been tightened;...
6Latinstringeresecond-person singular future passive indicative...
7LatinstringoI press, tighten, compress; I unsheath
8Proto-Italicstringō
9Proto-Indo-Europeanstreyg-to strike; to shear
10Proto-Indo-European(s)ter-strong, firm, stiff, rigid; rigid, stiff; to...

via English jacket

StepLanguageWordMeaning
1EnglishjacketA piece of clothing worn on the upper body...
2Middle Frenchjacquet
3Old Frenchjaquea gambison; a type of tight-fitting shirt
4Arabicشَكّdoubt, suspicion
Every word from Proto-Indo-European (s)ter-