させる

Etymology 1
From Classical Japanese, which followed.

Some linguists suggest that させる is a variant of, where a reduplicative "s" is added to avoid vowel clusters. (e.g. 食べる + せる → *tabe- + *-ase- → *tabease- + *tabesase- → 食べさせる)

Suffix

 * 1)  to make … do …

Usage notes
Attaches only to the of Group II (ichidan) verbs and the irregular verb. The result is conjugated like a Group II (ichidan) verb.

The passive form of verbs from other conjugation classes are formed with instead of.

In colloquial speech, can be contracted to, which follows.

This word is morphologically an inflectional suffix. It is classified as in traditional Japanese grammar.