塗油 is read as とゆ (toyu) and means anointing.
とゆ
toyu
びょうしゃのとゆ
Anointing of the Sick
ゆせいとりょう
oil-based paint
ぬる
to paint
とふ
application (of ointment, etc.)
とりょう
paints
とそう
coating
ぬりかえる
to repaint
げんゆ
crude oil
せきゆ
kerosene
あぶら
oil
とうゆ
じゅうゆ
heavy oil