effronite

effronite , shamelessly. Cf. effrons, effrunitus, infrunitus. 1222 ab illis qui fidelitatem erga vos pretendunt et contra ‥ hostem vestrum vobis ‥ ~e [sic MS] defecerunt ‥ injuriis aggravamur (AncC XLVII 30) RL I 184.