IPA: /ˈtæksɪŋ/
KK: /ˈtæksɪŋ/
Something that is difficult or demanding, causing strain or exhaustion.
The long hours at work can be quite taxing on my health.
Taxing → It is formed from "tax" (from Old French *taxer*, meaning to assess or impose a charge) and "-ing" (a suffix used to form present participles or gerunds). The word "taxing" refers to the act of imposing a charge or burden, often in a financial context.
Think of the word 'tax' as an assessment or charge, and remember that 'taxing' means the act of imposing that charge, often feeling burdensome.