μιλιάριον
From LSJ
ἐν τῷ διὰ τῆς κατασκευῆς παρεπιφαινομένῳ περίττῳ → through some excess thing which results through poetic elaboration
English (LSJ)
[ῐλῐᾱ], τό,
A a high copper vessel, pointed at the top and furnished with winding tubes, to boil water in, AP11.244, Ath.3.98c, Hero Spir.2.34; gloss on ἰπνολέβης, Sch.Luc.Lex.8. II milestone, Lyd.Mens. 4.49.