The ancient Greek word
"κιθαρα" ≈ "stringed instrument" is the source of the English word "
guitar" through Spanish through Arabic through Latin through Greek. In the Bible, the word means a string instrument, which can be a harp, lyre or other instrument.
The ancient Greek word
"λύρα" ≈ "lyre" and is the source of the English word
"lyre". The word "
harp" is of Germanic origin. The German word
"Harfe" ≈ "harp". The English word "
chord" is related to the "
cords" as strings on the instrument.
The ancient Greek word appears to be related to the Proto-Hurro-Uratian word "
*kinnar" for "
lyre" or "
harp".