Riht-racu

According to the Old English Dictionary:

riht-racu

Add: reason :-- Hé ne séceð ná þone geleáfan, ac rihtræce and gesceádwísnesse fidem non quaerit, sed rationem, Gr. D. 264, 12. Cf. Is ꝥ forinweardlíce riht racu, Bt. 40, 1; F. 236, 10, where riht seems an adjective qualified by an adverb. riht-racu