This is the 2840th most frequent Japanese word.
いが
"いが" (iga) refers to a chestnut burr or the spiky husk that surrounds chestnuts.
In this sentence, 'いが' refers to the outline or main points of the document. It is used in a context where details are being reviewed or confirmed.
彼はその書類のいがを慎重に確認しました。
He carefully checked the outline of the document.
Here, 'いが' represents the spiky hull or husk that encompasses chestnuts. It is a noun referring to the physical outer shell of the chestnut.
庭の木に落ちていた栗のいがが輝いていた。
The chestnut husks lying under the tree in the garden were shining.
In this context, 'いが' symbolizes the framework or expected boundary of ideas or topics. It indicates the pre-considered scope of expectations or plans.