late 13c., avisen "to view, consider" (a sense now obsolete); late 14c., "to give counsel to," from Old French aviser "deliberate, reflect, consider" (13c.), from avis "opinion," from phrase ço m'est à vis "it seems to me," or from Vulgar Latin *mi est visum "in my view," ultimately from Latin visum, neuter past participle of videre "to see" (from PIE root *weid- "to see"). The unetymological -d- is from 16c. Related: Advised; advising.
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Harper, D. (n.d.). Etymology of avise. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/avise