τετράχορδος
From LSJ
Νέµουσι δ' οἴκους καὶ τὰ ναυστολούµενα ἔσω δόµων σῴζουσιν, οὐδ' ἐρηµίᾳ γυναικὸς οἶκος εὐπινὴς οὐδ' ὄλβιος → They manage households, and save what is brought by sea within the home, and no house deprived of a woman can be tidy and prosperous
English (LSJ)
ον, (χορδή)
A four-stringed, ὄργανον Ath.4.183a; λύρα Str.13.2.4. II Subst. -χορδον, τό, tetrachord, i.e. scale of four notes, comprising two tones and a half, Arist.Pr.922b8, Fr.47, Plu.2.1021e, etc.: metaph., (sc. παθῶν) Aristo Stoic.1.85, cf. Jul.Caes.315c.