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Etymology tree Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Indo-European *weyd-s-ós Proto-Germanic *wīsaz Old English wīs Middle English wys, wyse English wise From Middle English wys, wyse, from Old English wīs (“wise”), from Proto-Germanic *wīsaz (“knowledgeable, wise”), from Proto-Indo-European *wéydos (“seeing; knowledge”), from *weyd- (“to see”). Cognates Cognate with West Frisian wiis (“wise”), Dutch wijs (“wise”), German weis, weise (“wise”), Low German wies (“wise; clever”), Danish, Norwegian Bokmål, Norwegian Nynorsk, and Swedish vis (“wise”), Icelandic vís (“wise; certain”), Gothic *𐍅𐌴𐌹𐍃 (*weis, “wise”); also Irish fios (“knowledge; information”), Manx fys (“knowledge; information”), Scottish Gaelic fhios, fios (“knowledge; information”), Welsh gwys, gwŷs (“citation, summons”), Latin videō (“to look, perceive, see; to note, observe; to comprehend, understand”), Greek είδος (eídos, “form, kind, type”), Albanian vizë (“line, stripe, track; dash”), Latvian veids (“form, kind, mode, type”), Lithuanian veidas (“face; appearance, aspect, look”), Belarusian ве́даць (vjédacʹ, “to know”), Bulgarian вям (vjam, “to know”), Czech vědět (“to know”), Polish wiedzieć (“to know”), Russian ве́дать (védatʹ, “to know”), Serbo-Croatian vedeti, viedieti (“to know”), Slovak vedieť (“to know”), Slovene vedeti (“to know”), Ukrainian ві́дати (vídaty, “to know”), Armenian գիտեմ (gitem, “I know”), գիտենալ (gitenal), գիտնալ (gitnal, “to know”), Avestan 𐬬𐬀𐬉𐬛 (vaēd, “find”), 𐬬𐬌𐬛 (vid, “to know”), Persian نوید (navid / nawīd, nuwēd, “invitation; annunciation; good news”), Tocharian A ime (“awareness, consciousness, memory, thought”), Tocharian B īme (“awareness, consciousness, memory, thought”), ūwe (“educated, learned, knowledgeable”), Sanskrit वेदस् (vedas, “knowledge, science; property, wealth”). Compare wit.

From Middle English wise, from Old English wīse, from Proto-Germanic *wīsō. Cognate with Dutch wijze, German Weise, Norwegian vis, Swedish visa, vis, Italian guisa, Spanish guisa. Compare -wise. Doublet of guise.

From Middle English wisen (“to advise, direct”), from Old English wisian (“to show the way, guide, direct”), from Proto-West Germanic *wīsōn, from Proto-Germanic *wīsōną (“to show the way, dispense knowledge”), from Proto-Indo-European *weyd- (“to know”). Compare Dutch wijzen (“to indicate, point out”), German weisen (“to show, indicate”), Danish and Norwegian Bokmål vise (“to show”), Norwegian Nynorsk visa (“to show”).