† aˈssubtile, v. Obs. rare—1.
[a. OF. assubtiller, -ier, refash. form of assoutiller, -ier, cogn. with It. assottigliare, f. Latin type *adsubtīliāre, f. ad- to + subtīlis subtle.]
To subtilize.
| 1589 Puttenham Eng. Poesie i. iii. (Arb.) 23 Much abstinence..assubtiling and refining their spirits. |