Where does “electrophysiologic” come from?

I need to work through this chain carefully, but I notice there's a significant problem: the chain provided doesn't actually support "electrophysiologic." The chain shows: - English physiologic ← English physiology ← Ancient Greek λόγος/λέγω (meaning "word/study of") - Plus Latin -icus and Proto-Indo-European -kos (suffix) - Plus Proto-Indo-European bʰuH- But "electrophysiologic" requires "electro-" from Ancient Greek ἤλεκτρον (elektron, meaning "amber"). This element appears in the chain but is disconnected from the rest of the etymology path. The chain doesn't show how ἤλεκτρον connects to the physiologic portion. A proper chain would need to show something like: electro- (from Ancient Greek ἤλε

electrophysiologic (English): electrophysiological

Definitions

  1. electrophysiological

Ancestry of “electrophysiologic”, step by step

electrophysiologic traces back through two separate lines of ancestry.

via English physiologic

StepLanguageWordMeaning
1EnglishphysiologicOf or pertaining to physiology
2Latinphysiologicusphysiological
3Ancient Greekφυσιολογικός

via English electro

StepLanguageWordMeaning
1EnglishelectroAn electrotype; An electronic style of hip hop;...
Every word from Ancient Greek φυσιολογικόςEvery word from Latin physiologicusEvery word from English physiologic