The story
- Proto-Indo-European*bʰeh₂-
- Proto-Hellenic*pʰōnā́
- Ancient Greekφωνή (phōnḗ)
- Ancient Greekφωνέω (phōnéō)
- Ancient Greekφωνητῐκός (phōnētĭkós)
- Latinphōnēticus
- English todayphonetic
Borrowed from Latin phōnēticus, from Ancient Greek φωνητῐκός (phōnētĭkós). By surface analysis, phone + -etic.
Etymology from Wiktionary, CC BY-SA 4.0.