12/15 \phone\ means this in greek: self string air sound

QUESTION IMAGE

$12/15 \phone\ means this in greek: self string air sound$

Question

12/15
\phone\ means this in greek:
self
string
air
sound

Explanation:

Brief Explanations

The Greek root "phon-" (from φωνή) directly translates to sound, which is the origin of the English element "phone" seen in words like "telephone" or "microphone".

Answer:

D. Sound