λάθρῃ

secretly, covertly, by stealth, treacherously

Dictionaries

LSJ (λάθρῃ)
Short Defs (λάθρῃ)
Cunliffe (Lex Entries) (λάθρῃ)
Lexicon Thucydideum (λάθρῃ)

Morphological Data

λάθρῃ ADV
λάθρῃ PREP