なるほど
なるほど · naruhodo · JLPT N4 · expression
I see
💡 naru (become) + hodo (extent) = it comes to that extent: I see
Etymology: 成る naru means to become and 程 hodo means degree or extent. Together they say that things do indeed come out to that degree, a way of agreeing that what you just heard adds up. Hence: I see, that makes sense.