The story
From peri- + Latin niger (“black”) + -icon, alternative form of -ion.
Etymology from Wiktionary, CC BY-SA 4.0.
perinigricon
Today it means: Synonym of peribothron (“periapsis of a black hole”). Full definition →
Today it means: Synonym of peribothron (“periapsis of a black hole”). Full definition →
From peri- + Latin niger (“black”) + -icon, alternative form of -ion.
Etymology from Wiktionary, CC BY-SA 4.0.