すりおろさせられる
摺り下ろさせられる
suri orosaserareru

Ichidan Verb
Godan Verb (su)

The causative-passive form (is made to be done) of すりおろす

1. To be grated for someone; To be forced to grate; To have something grated for one

Causative-Passive
Usually Written in Kana