*segh-

ancient city, modern Antakya in Turkey, anciently the capital of Syria, founded c. 300 B.C.E. by Seleucus I Nictor and named for his father, Antiochus. The name, also borne by several Syrian kings and an eclectic philosopher, is a Latinized form of Greek Antiokhos, literally "resistant, holding out against," from anti "against" (see anti-) + ekhein "to have, hold;" in intransitive use, "be in a given state or condition" (from PIE root *segh- "to hold"). Related: Antiochian.

"affirm positively or solemnly," 1791, from Latin asseveratus/adseveratus, past participle of asseverare/adseverare "to affirm, insist on, maintain," from ad "to" (see ad-) + severus "serious, grave, strict, austere," which is probably from PIE root *segh- "to have, hold," on the notion of "steadfastness, toughness." Related: Asseverated; asseverating.