Where does “unperemptory” come from?
unperemptory (English) comes from English peremptory, from Anglo-Norman peremptorie, from Latin peremptōrius, from Latin peremptor, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.
unperemptory (English): Not peremptory
Ancestry of “unperemptory”, step by step