The story
- Proto-Indo-European · derived from*(s)ḱeh₃-
- Proto-Italic · derived from*skoiros
- Latin · derived fromobscūrus“dark, dusky, indistinct”
- Old French · derived fromobscur
- Middle English · inherited fromobscure
- English todayobscure
From Middle English obscure, from Old French obscur, from Latin obscūrus (“dark, dusky, indistinct”), from ob- + *scūrus, from Proto-Italic *skoiros, from Proto-Indo-European *(s)ḱeh₃-. Doublet of oscuro.
Words from the same roots
Proto-Indo-European*(s)ḱeh₃- all →
shadowhoarhoar frost
Etymology from Wiktionary, CC BY-SA 4.0.