The Geminid Meteor "Swarm" (l'Essaim des Géminides) over Kitt Peak (2023).
ἑσμός https://lsj.gr/wiki/ἑσμός
ἐσσήν https://lsj.gr/wiki/ἐσσήν
KPNO/NOIRLab/NSF/AURA/R. Sparks (NSF’s NOIRLab), CC BY 4.0, via Wikimedia Commons.
ἑσμός - Ancient Greek (LSJ)
ὁ, (ἕζομαι)A that which settles, esp. a swarm of bees, Hdt.5.114, Pl.Lg.708b, X.HG3.2.28; ἑ. λαμβάνειν Plu.Dio24; of wasps, καθ' ἑσμούς in swarms, Ar.V.1107.2lsj.gr