[ˈɛk.straː], [ˈɛk.stra]
OriginAdverb contracted from the ablative exterā (parte), of exter.
The change from instrumental/ablative to accusative is caused by *-teros used adverbially.
- no-superlativeon the outside
- with-accusativeoutside of
- with-accusativebeyond
Formsextrā(canonical) · exterius(comparative)