Latin fido

← Proto-Germanic *bīdaną (cognate)

← Proto-Indo-European *bʰeydʰ- (root)

← Proto-Indo-European *bʰéydʰeti (inherited)

← Proto-Indo-European *bʰeydʰ- (mention)

← Proto-Italic *feiðō (inherited)

← Latin fidēs (mention)

← Latin fīdēbō (mention)

← Latin fidēlis (link)

→ English fiducial (mention)

→ English diffidence (mention)

→ Maltese fada (derived)