also: たがいめ
noun
point of difference; difference; discrepancy
Refers to a specific point or aspect where two things differ. Often used when comparing items, opinions, or situations to highlight the exact nature of the difference.
この二つのプランの違い目は、費用の見積もり方にある。
The point of difference between these two plans lies in how the costs are estimated.
彼の意見と私の意見の違い目を
Let's clarify the exact difference between his opinion and mine.
Compound of 違い (difference) and 目 (point, aspect). The reading たがいめ is a rare variant, possibly from an older or dialectal pronunciation.