- constrain
[constrain 词源字典]
- constrain: see strain
[constrain etymology, constrain origin, 英语词源] - constrain (v.)
- early 14c., constreyen, from stem of Old French constreindre (Modern French contraindre) "restrain, control," from Latin constringere "to bind together, tie tightly, fetter, shackle, chain," from com- "together" (see com-) + stringere "to draw tight" (see strain (v.)). Related: Constrained; constraining.