dismiss
/dɪsˈmɪs/·디스미스·verb
to send away; to reject
LatinCEFR B2
Root
dis- (away) + Latin 'mittere' (to send)
Latin dimittere → Medieval Latin dismittere (send away) → Middle English dismissen
In a word
dis- (away) + miss (send) = 'send far away'. Send a class out — class dismissed. Send an employee out — they're fired. Send an idea out — it's dismissed. The etymology is simple; the reach is wide.
Examples
The judge dismissed the case.
Don't dismiss her idea so quickly.
The teacher dismissed the class early.
Related
submittransmitemitmissiondismissal