Meaning

verb give entirely to a specific person, activity, or cause

verb dedicate

verb set aside or apart for a specific purpose or use

originBorrowed from Latin dēvōtus, past participle of Latin dēvoveō (“dedicate by a vow, sacrifice oneself, promise solemnly”). Doublet of devow; see also devout. Displaced native Middle English ēstful, from Old English ēstful.

Etymology from Wiktionary, CC BY-SA 3.0