English tenacious

← English (suffix)

← English ious (suffix)

← Proto-Indo-European *ten- (root)

← Latin tenāx (mention)

← Latin tenēre (mention)

→ English tenacity (suffix)

→ English tenaciously (suffix)

→ English tenaciousness (suffix)

→ English tenacy (mention)

→ English untenacious (prefix)

→ English overtenacious (prefix)

→ Danish sej (link)