English confidential

← English (suffix)

← English al (suffix)

← Proto-Indo-European *bʰeydʰ- (root)

← Latin confidentia (mention)

→ English confidentially (suffix)

→ English confidentiality (suffix)

→ English confidentialness (suffix)

→ English nonconfidential (prefix)

→ Tagalog kumpidensyal (borrowed)