κνίδωσις
From LSJ
οὕτως ἐξ ἐχθρῶν αὐτοκτόνα πέμπετο δῶρα, ἐν χάριτος προφάσει μοῖραν ἔχοντα μόρου → thus mutual gifts that bring death were bestowed by enemies, gifts that brought the lot of death in the name of a favor
English (LSJ)
[ῑ], εως, ἡ,
A itching, such as is caused by a nettle, Hp. Prorrh.2.30 (pl.).
German (Pape)
[Seite 1461] ἡ, das Jucken, Brennen, Hippocr.