eat away

gnaw at, nibble away at, erode

Verb
1. remove soil or rock; "Rain eroded the terraces"
(synonym) erode, fret
(hypernym) damage
(hyponym) wash
2. wear away or erode
(synonym) fret
(hypernym) corrode, rust

rot, erode, destroy The mildew has been eating away at the window frame all summer.

Synonyms and related words:
abate, abrade, abstract, bate, bite, canker, corrode, curtail, decrease, deduct, depreciate, derogate, detract, diminish, disparage, drain, eat, eat into, erode, extract, file away, gnaw, impair, leach, lessen, nibble away, oxidize, purify, reduce, refine, remove, retrench, rub away, rust, scour, shorten, subduct, subtract, take away, take from, thin, thin out, wear away, weed, withdraw
  

phrv. กิน; กัดกิน, แทะ, กัด; กัดกร่อน