ὁδός
hodós
“way, road”
20 words in English grow from this root.
Anode
Scienceἀνάaná
“way up”
Cathode
Scienceκατάkatá
“way down”
Diode
Scienceδίςdís
“two ways”
Electrode
Scienceἤλεκτρονḗlektron
“amber road”
Ergodic
Numberἔργονérgon
“work path”
Exodos
Artἐξex
“the way out”
Exodus
Faithἐξex
“the way out”
Method
Scienceμετάmetá
“a following-after of the way”
Methodist
Faithμετάmetá
“one who follows a way”
Methodius
Everydayμετάmetá
“following the road”
Methodology
Scienceμετάmetá
“study of the road followed”
Odometer
Scienceὁδόςhodós
“road-measurer”
Parodos
Artπαράpará
“the way alongside”
Pentode
Scienceπέντεpénte
“five ways”
Period
Everydayπερίperí
“way around”
Periodization
Sportπερίperí
“a going round”
Photodiode
Scienceφῶςphôs
“light two-way”
Synod
Faithσύνsýn
“a coming together on the road”
Synodic
Earthσύνsýn
“of the coming together”
Triode
Scienceτρι-tri-
“three ways”