שְׁלִישִׁי
From LSJ
Θησαυρός ἐστι τῶν κακῶν κακὴ γυνή → Ingens mali thesaurus est mulier mala → Ein Schatz an allem Schlechten ist ein schlechtes Weib
English (Strong)
ordinal from שָׁלוֹשׁ; third; feminine a third (part); by extension, a third (day, year or time); specifically, a third-story cell): third (part, rank, time), three (years old).