guska -guk- gismu

x₁ blade/scraper/erosive scrapes/erodes/abrades x₂ from x₃.

Abrade, abrasive (= mosyguska). See also balre, sraku, batci, canpa, mosra.

jbovlaste

In notes:

balre: x₁ is a blade of tool/weapon x₂.
batci: x₁ bites/pinches x₂ on/at specific locus x₃ with x₄.
canpa: x₁ is a shovel/spade [bladed digging implement] for digging x₂.
mosra: x₁ is friction [force opposing motion] due to contact/rubbing between x₂ and x₃; (fe) x₂ rubs x₃.
sraku: x₁ [abrasive/cutting/scratching object/implement] scratches/[carves]/erodes/cuts [into] x₂.
gukcanre: g₁=c₁ is sandy abrasive material.