Forthright
来自Big Physics
Old English forthriht ‘straight forward, directly’ (see forth, right).
wiktionary
From Middle English forþright, forþriʒt, forþriht, from Old English forþriht(“direct, plain”); equivalent to forth + right.
From Middle English forthright, forþriʒt, forthricte, from Old English forþrihte(“straightway, at once, plainly”), from forþriht + -e(“adverbial suffix”).
etymonline
forthright (adj.)
Old English forðriht "direct, plain;" see forth + -right. Compare downright. Related: Forthrightly; forthrightness. As an adverb, from Old English forðrihte "straightway, at once; plainly."