ζ instead of σ

Attestations in Trismegistos Text irregularities

This text irregularity has been corrected by a modern editor 104 time(s) in Trismegistos Text irregularities;
   in 30 different contexts (before and after);
       following 9 different groups;
       preceding 14 different groups.

Network based on co-occurrence in same text (only irregularities with minimum frequency 10) What is this? Full screen

Contexts of this text irregularity (ζ instead of σ)
Context	Frequency
after ι and before μ	20	(all types of errors in this context)
after ∅ and before μ	19	(all types of errors in this context)
after α and before μ	9	(all types of errors in this context)
after ι and before α	9	(all types of errors in this context)
after ι and before β	8	(all types of errors in this context)
after ι and before αι	5	(all types of errors in this context)
after ε and before μ	4	(all types of errors in this context)
after ∅ and before α	2	(all types of errors in this context)
after ∅ and before υ	2	(all types of errors in this context)
after ∅ and before ω	2	(all types of errors in this context)
after α and before η	2	(all types of errors in this context)
after α and before ο	2	(all types of errors in this context)
after α and before ω	2	(all types of errors in this context)
after ι and before ε	2	(all types of errors in this context)
after ∅ and before β	1	(all types of errors in this context)
after α and before α	1	(all types of errors in this context)
after α and before αι	1	(all types of errors in this context)
after α and before ι	1	(all types of errors in this context)
after α and before π	1	(all types of errors in this context)
after ε and before β	1	(all types of errors in this context)
after ε and before η	1	(all types of errors in this context)
after ε and before ω	1	(all types of errors in this context)
after ει and before μ	1	(all types of errors in this context)
after η and before ∅	1	(all types of errors in this context)
after ι and before ει	1	(all types of errors in this context)
after ι and before η	1	(all types of errors in this context)
after ι and before ου	1	(all types of errors in this context)
after ο and before μ	1	(all types of errors in this context)
after ρ and before α	1	(all types of errors in this context)
after υ and before β	1	(all types of errors in this context)

Graphemes preceding this text irregularity (ζ instead of σ)
Context	Frequency
after ι	47	(all types of errors in this context)
after ∅	26	(all types of errors in this context)
after α	19	(all types of errors in this context)
after ε	7	(all types of errors in this context)
after ει	1	(all types of errors in this context)
after η	1	(all types of errors in this context)
after ο	1	(all types of errors in this context)
after ρ	1	(all types of errors in this context)
after υ	1	(all types of errors in this context)

Graphemes following this text irregularity (ζ instead of σ)
Context	Frequency
before μ	54	(all types of errors in this context)
before α	13	(all types of errors in this context)
before β	11	(all types of errors in this context)
before αι	6	(all types of errors in this context)
before ω	5	(all types of errors in this context)
before η	4	(all types of errors in this context)
before ε	2	(all types of errors in this context)
before ο	2	(all types of errors in this context)
before υ	2	(all types of errors in this context)
before ει	1	(all types of errors in this context)
before ι	1	(all types of errors in this context)
before ου	1	(all types of errors in this context)
before π	1	(all types of errors in this context)
before ∅	1	(all types of errors in this context)