demanding, and leaving no choice
When he came home from work exhausted, his six-year-old son met him with the peremptory demand that he read him a story.
per (entirely)#emere (to take, buy) (Latin)
wat param=god says has to be obeyed without questioning. (read the word with sentance frm some other source online only then ull get the meaning of the word which implies other mnemonics given here are worng check out cambridge ad Opposite to PRIMARY. So it's FINAL!! Remember it with pre-empty, i. e something which is already empty, needs to be filled, it demands.