Wisdom

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Old English wīsdōm (see wise1, -dom).

wiktionary

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From Middle English wisdom, from Old English wīsdōm(“wisdom”), from Proto-Germanic *wīsadōmaz(“wisdom”), corresponding to wise +‎ -dom or wise +‎ doom(“judgement”). Cognate with Scots wisdom, wysdom(“wisdom”), West Frisian wiisdom(“wisdom”), Dutch wijsdom(“wisdom”), German Weistum(“legal sentence”), Danish/Norwegian/Swedish visdom(“wisdom”), Icelandic vísdómur(“wisdom”).

etymonline

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wisdom (n.)

Old English wisdom "knowledge, learning, experience," from wis (see wise (adj.)) + -dom. A common Germanic compound (Old Saxon, Old Frisian wisdom, Old Norse visdomr, Old High German wistuom "wisdom," German Weistum "judicial sentence serving as a precedent"). Wisdom teeth so called from 1848 (earlier teeth of wisdom, 1660s), a loan-translation of Latin dentes sapientiae, itself a loan-translation of Greek sophronisteres (used by Hippocrates, from sophron "prudent, self-controlled"), so called because they usually appear ages 17-25, when a person reaches adulthood.