heavy loss; great damage
Refers to substantial financial loss, physical destruction, or serious harm. Often used in business, disaster, or accident contexts.
The farmers suffered great damage from the typhoon.
The company incurred a heavy loss due to that investment failure.
Compound of 大 (dai, 'big, great') + 損害 (songai, 'damage, loss'). The reading is the standard on'yomi combination.