ἑσμός

Per Beeks, derived from the root *(H)yeh₁- (“to throw”), equivalent to ἵημι (híēmi) +‎ -σμός (-smós). Others derive from the root *sed- (“to sit”), equivalent to ἕζομαι (hézomai) +‎ -μος (-mos).

ἑσμός • (hesmós) m (genitive ἑσμοῦ); second declension

1. that which settles (especially a swarm of bees)
   • 484 BCE – 425 BCE, Herodotus, 5 114
   • 428 BCE – 347 BCE, Plato, Laws 708b
   • 430 BCE – 354 BCE, Xenophon, Hellenica 3.2.28
   • 46 CE – 120 CE, Plutarch, Dion 24
   • 422 BCE, Aristophanes, The Wasps 1107
   1. any swarm or flock
      • 470 BCE, Aeschylus, The Suppliants 30
      • 470 BCE, Aeschylus, The Suppliants 223
      • 425 BCE, Aristophanes, Lysistrata 353
      • Pae., Delph. 14
      • Epigr., Gr. 985
   2. flow, stream
      • 405 BCE, Euripides, The Bacchae 710
      • 470 BCE, Aeschylus, The Suppliants 684
      • 380 BCE, Plato, The Republic 450b
      • 280 BCE – 220 BCE, Philo of Byzantium, 2 95
      • 234 CE – 305 CE, Porphyry, On Abstinence 1.34

• ἑσμοτόκος (hesmotókos)

• Greek: εσμός (esmós)

• Beekes, Robert S. P. (2010) “ἑσμός”, in Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, page 470
• “ἑσμός”, in Liddell & Scott (1940) A Greek–English Lexicon, Oxford: Clarendon Press