adv.
Imperceptibly: P. and V. λαθρά. Craftily: Ar. and V. δόλῳ, V. σὺν δόλῳ, ἐν δόλῳ. Enter insidiously (of diseases, etc.): P. and V. ὑπορρεῖν. Treacherously: P. ἐξ ἐπιβουλῆς.
