μιμαίκυλον
From LSJ
ἃ γὰρ δεῖ μαθόντας ποιεῖν, ταῦτα ποιοῦντες μανθάνομεν → what we have to learn to do we learn by doing
English (LSJ)
τό,
A fruit of κόμαρος, Crates Com.40, Amphis 38, Theopomp.Com.67, Thphr.CP2.8.2, Scyl.108, Porph.Abst.2.7; but μεμαίκυλον, Thphr.HP3.16.4, Poll.7.144, Gal.6.621:—also μεμαίκυλος, ἡ, ibid.; μιμάκυλος, Hsch.