1962, from Greek hadros "thick, bulky" (the primary sense), also "strong, great; large, well-grown, ripe," from PIE root *sa- "to satisfy." With elementary particle suffix -on. Coined in Russian as adron.
Entries linking to hadron
*sa-
*sā-, Proto-Indo-European root meaning "to satisfy."
It forms all or part of: assets; hadron; sad; sate; satiate; satiety; satisfy; satire; saturate; saturation.
It is the hypothetical source of/evidence for its existence is provided by: Sanskrit a-sinvan "insatiable;" Greek hadros "thick, bulky;" Latin satis "enough, sufficient;" Old Church Slavonic sytu, Lithuanian sotus "satiated;" Old Irish saith "satiety," sathach "sated;" Old English sæd "sated, full, having had one's fill, weary of."
-on
subatomic particle suffix, from ion.
hadrosaur n.
1865, from Modern Latin hadrosaurus (1859), from Greek hadros "thick, stout" (see hadron) + -saurus.