(? from French assuefaction in Cotgr.), from Latin assuēfactiōnem, n. of action from assuēfacĕre to make accustomed, from assuētus past participle of assuescere to be accustomed + facĕre to make
From: Pseudodoxia Epidemica:
Or, Enquiries into many Received Tenents and Commonly Presumed Truths.
By Thomas Brown, Dr, of Physick, 1658
Book 4. Enquiries into Vulgar and Common Errors. Chap. V. Of the right and left hand