English word curious comes from Latin cura, Proto-Indo-European *kois-
| Dictionary entry | Language | Definition |
|---|---|---|
| cura | Latin (lat) | (agriculture) Rearing, culture, care.. (medicine) Medical attendance, healing.. (rare) An attendant, guardian, observer.. Attention, management, administration, charge, care; command, office; guardianship.. Written work, writing.. Care, concern, thought; trouble, solicitude; anxiety, grief, sorrow. |
| *kois- | Proto-Indo-European (ine) | |
| curiosum | Latin (lat) | |
| curios | Old French (842-ca. 1400) (fro) | |
| corious | Middle English (1100-1500) (enm) | |
| curious | English (en) | (archaic) Artfully constructed; made with great elegance or skill.. (archaic) Fastidious, particular; demanding a high standard of excellence, difficult to satisfy.. Inquisitive; tending to ask questions, investigate, or explore.. Prompted by curiosity.. Unusual; odd; out of the ordinary; bizarre. |