τετρώβολος
τετρώβολ-ος, ον,
A). of four obols, τόκος IG 12(5).860.29 (Tenos).
II). as Subst. τετρώβολον, τό, four-obol piece, τετρωβόλου τοῦτ’ ἔστιν (as Kuster for τετρώβολον) Pax 254 , cf. , 34.8.8 SIG 982.15 (Pergam., ii B.C.), etc.; it was a soldier's daily pay, hence τετρωβόλου βίος a soldier's life, Fr. 307 ; so in masc. -ώβολος, of a common soldier, Pk. 203 .
2). τετρώβολον,, weight of four obols, , 4.159 , etc. 12.628