Origin: Latin suffix -tion
Polish notation has 2 different meanings across 1 category:
a parenthesis-free notation for forming mathematical expressions in which each operator precedes its operands
A notation for arithmetic (and logical) formulae in which operations (respectively, quantifiers and operands) are written immediately before their operands, used to avoid the need for parentheses; for example, 3 * (4 + 7) is written as * 3 + 4 7 and A AND B is written as AND A B.