to hold oneself back voluntarily, especially from something regarded as improper or unhealthy (usually followed by from ): to abstain from eating meat.
2.
to refrain from casting one's vote: a referendum in which two delegates abstained.
Origin: 1350–1400;Middle Englishabste(i)nen < Middle Frenchabstenir ≪ Latinabstinēre, equivalent to abs-abs- + -tinēre, combining form of tenēre to hold, keep
to speak or write in favor of; support or urge by argument; recommend publicly:
to reprove or find fault with; rebuke; censure; blame.
sluggish in temperament; gloomy or taciturn
to seek notice or favor by servile demeanor:
a beginner or novice:
any external prop or support built to steady a structure by opposing its outward thrusts, esp. a projecting support built into or against the outside of a masonry wall.
late 14c., "to withhold oneself," from O.Fr. abstenir, from L. abstinere "withhold," from ab(s)- "from, away from" + tenere "to hold" (see tenet). Specifically of liquor, attested from late 14c. Of voting, 1885.