to thaw is a form of:

Thaw



noun
1.
(Melting of ice or snow) ការរលាយ
Example: If the ice thaws, we cannot go skating, We had an early thaw in February.
verbpast tense: thawed ; past participle: thawed ; present participle: thawing ;
1.
(INTRANSITIVE) (melt, to pass to an unfrozen state, to become warmer) រលាយ (អ្វីដែលកក)
2.
(TRANSITIVE) (to cause to thaw, to cause to melt or bring to a temperature above the freezing point, to make or become friendlier or less formal) ធ្វើអោយរលាយ (អ្វីដែលកក)
ENGLISH MEANING
noun
1.
The melting of ice, snow, or other congealed matter; the resolution of ice, or the like, into the state of a fluid; liquefaction by heat of anything congealed by frost; also, a warmth of weather sufficient to melt that which is congealed.
verbpast tense: thawed ; past participle: thawed ; present participle: thawing ;
1.
(INTRANSITIVE) To melt, dissolve, or become fluid; to soften; -- said of that which is frozen; as, the ice thaws.
2.
(INTRANSITIVE) To become so warm as to melt ice and snow; -- said in reference to the weather, and used impersonally.
3.
(FIGURATIVE) (INTRANSITIVE) To grow gentle or genial.
4.
(TRANSITIVE) To cause (frozen things, as earth, snow, ice) to melt, soften, or dissolve.