Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From classical Latin sextārius, measure of capacity from sextus sixth + -ārius.
Definition of sextarius in US English:
sextarius
noun
historical
= sextary 1b.
Origin
Late Middle English; earliest use found in John Trevisa (c1342–?1402), translator. From classical Latin sextārius, measure of capacity from sextus sixth + -ārius.