истачивать v stresses
gen.	eat away (также перен.); gnaw through (impf of источить); wear down (by repeated rubbing)
Gruzovik	reduce by grinding (impf of источить); cover with holes (impf of источить); perforate (impf of источить); pierce (impf of источить)
Gruzovik, prop.&figur.	gnaw through (impf of источить)
Makarov.	erode away; grind down; eat away; gnaw through
истачиваться v
gen.	pierce; cover with holes; eat away (также перен.); gnaw through; grind down; perforate; reduce by grinding
Gruzovik	be reduced by grinding (impf of источиться)