adjective Biology. of, pertaining to, or based on the evolutionary history of a group of organisms; phylogenetic.
Origin: 1880–85; Greek phȳletikós pertaining to a tribesman, equivalent to
phȳlét(
ēs) tribesman (derivative of
phȳ́lē phyle) +
-ikos -ic Related forms phy·let·i·cal·ly, adjective