-er

IPA(Pronunciation)

/ə/

Suffix

added to certain adjectives and adverbs morpheme

(added to certain adjectives and adverbs, now especially short ones) More; used to form the comparative.

Japanese Meaning

比較級を形成するために形容詞や副詞に付加される接尾辞で、「〜より」という意味を表します。

This puzzle turned out to be harder than I expected, so I had to spend more time on it.

このパズルは思っていたより難しく、時間をもっとかける必要がありました。

Sense（1）

(added to certain adjectives and adverbs, now especially short ones) More; used to form the comparative.

long + -er → longer