straining

Etymology

verb

1. present participle and gerund of strain

noun

1. The act by which one strains. (muscles, etc)
2. filtering, the process of passing something through a strainer.
   Then after that process which Culverwel describes as so many strainings, refinings, and clarifyings, the mind is prepared for a true insight into the real nature of the world by way of intuition. 1931, John de Boer, The Theory of Knowledge of the Cambridge Platonists, page 64