英语 to cover; to put a cover over something, small, low, weak, pure; clean; clear
【唐韻】於蓋切,音藹。【說文】蓋也。【集韻】淸也,微也。
蓋也。从艸渴聲。於蓋切
(䔽)葢也。今人靄字當用此。从艸。渴聲。於葢切。十五部。