pairwise
/ˈpɛərwɪz/Definitions
1. adverb
in pairs; one pair at a time
“The researchers analyzed the data pairwise to identify the correlations.”
2. adverb
relating to or involving pairs
“The pairwise comparison of the samples revealed significant differences.”
3. noun
a pair of items or entities considered as a unit
“The pairwise combinations of the teams were randomly assigned to the groups.”