What is the meaning of Sith?

A journey, way.

One's journey of life, experience, one's lot, also by extension life, lifetime.

An instant in time, a point in time or an occasion.

Archaic form of since.

a journey, way

  1. one's conduct, behavior, way of life, custom

one's conduct, behavior, way of life, custom

one's lot in life, fortune, experience, lifetime

  1. misfortune, calamity

misfortune, calamity

a specified point in time, moment

  1. a particular span of time, period, age, era
  2. repeated instances, occurrences of an event, occasions

a particular span of time, period, age, era

repeated instances, occurrences of an event, occasions

units of multiplication, multiples, groupings equivalent to a multiplication sign between multiplier and multiplicand

companion

Source: wiktionary.org