Such

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Old English swilc, swylc ; related to Dutch zulk, German solch, from the Germanic bases of so1 and alike.

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From Middle English such, swuch, swich, swilch, swulch, from Old English swelċ, from Proto-Germanic *swalīkaz(“so formed, so like”), equivalent to so +‎ like. Cognate with Scots swilk, sic, sik(“such”), Saterland Frisian suk(“such”), West Frisian suk, sok(“such”), Dutch zulk(“such”), Low German sölk, sulk, sülk, suk(“such”), German solch(“such”), Danish slig(“like that, such”), Swedish slik(“such”), Icelandic slíkur(“such”). More at so, like.

etymonline

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such (adj.)

c. 1200, Old English swylc, swilc "just as, as, in like manner; as if, as though; such a one, he" (pronoun and adjective), from a Proto-Germanic compound *swalikaz "so formed" (source also of Old Saxon sulik, Old Norse slikr, Old Frisian selik, Middle Dutch selc, Dutch zulk, Old High German sulih, German solch, Gothic swaleiks), from swa "so" (see so) + *likan "form," source of Old English gelic "similar" (see like (adj.)). Colloquial suchlike (early 15c.) is pleonastic.