The word "unlaxing" refers to the act of relaxing or becoming less tense. The spelling of this word follows the rule that the prefix "un-" is added to a base word, in this case "laxing," which is the present participle form of the verb "relax." The phonetic transcription of "unlaxing" is /ˌʌnˈlæksɪŋ/, wherein the stress falls on the second syllable "-lax." The pronunciation of this word emphasizes the action of unwinding and easing tension.