köken: Learned borrowing from Ancient Greek εὕρηκᾰ (heúrēkă), first-person singular perfect active indicative of εὑρίσκω (heurískō, “to find; to find out”).
köken: Learned borrowing from Ancient Greek εὕρηκα (heúrēka, “I have found”), past tense of εὑρίσκω (heurískō). Exclamation attributed to Archimedes. Doublet of βρήκα (vríka). Cognate with Sanskrit परीक्षा (parīkṣā, “inspection, investigation, examination, test”).