魚油 is read as ぎょゆ (gyoyu) and means fish oil.
ぎょゆ
gyoyu
ぎょぐん
school of fish
ぎょかい
marine products
ぎょかいるい
うおがし
riverside fish market
うおつきりん
fish-breeding forest
ぎょぐんたんちき
fishfinder
げんゆ
crude oil
せきゆ
kerosene
あぶら
oil
とうゆ
じゅうゆ
heavy oil
けいゆ
light oil