Complex sentence: It has been suggested that the tenor oboe and the oboe da caccia resembled the horns played by angels in religious icons of the Middle Ages and that this gave rise to the Middle High German name "engellisches Horn", meaning "angelic horn".
Split into simpler sentences: It has been suggested that the tenor oboe and the oboe da caccia resembled the horns played by angels in religious icons of the Middle Ages. This gave rise to the Middle High German name "engellisches Horn", meaning "angelic horn".