I. ˈbis adverb
Etymology: French, from Latin, twice, from Old Latin dvis; akin to Middle High German zwis twice, Old High German zwiro, Old Norse tvisvar twice, Gothic twis- apart, Greek dis twice, Sanskrit dvis twice, Latin duo two — more at two
1. : again — used to direct repetition of a passage of music or to request an encore
2.
[Latin]
: twice — used to call attention to the occurrence of an item twice (as in an account or an address)
II. abbreviation
bissextile