phy·let·ic 
(fī-lĕtĭk)
(fī-lĕtĭk)adj.
Of or relating to the evolutionary descent and development of a species or other taxonomic group of organisms, especially to gradual change rather than to the branching of taxa.
[From Greek phūletikos, of or for a tribesman, from phūletēs, tribesman, from phūlē, tribe; see bheuə- in the Appendix of Indo-European roots.]
phy·leti·cal·ly adv.
- Indo-European root: skrībh-
- Indo-European root: sleiə-
- Indo-European root: sleubh-
- Indo-European root: slēb-
- Indo-European root: slēg-
- Indo-European root: smei-
- Indo-European root: (s)mer-
- Indo-European root: (s)mer-
- Indo-European root: sneigwh-
- Indo-European root: (s)neəu-
- Indo-European root: snā-
- Indo-European root: (s)nāu-
- Indo-European root: (s)nē-
- Indo-European root: so-
- Indo-European root: sol-
- Indo-European root: spek-
- Indo-European root: (s)pen-
- Indo-European root: spend-
- Indo-European root: sper-
- Indo-European root: sperə-
- Indo-European root: spē-
- Indo-European root: sreu-
- Indo-European root: (s)teg-
- Indo-European root: stegh-
- Indo-European root: steig-