Refers to the process of gradually getting a machine, engine, or living thing used to normal operation or a new environment. Common in automotive, mechanical, and animal training contexts.
Intransitive verb meaning 'to get used to'. Focuses on the state of becoming accustomed, while 慣らし focuses on the process of making something accustomed.
Etymology
Noun form of the verb 慣らす (ならす, 'to accustom, to break in'), which is the transitive form of 慣れる (なれる, 'to get used to'). The kanji 慣 carries the core meaning of 'becoming accustomed'.