English watchful

← German wachsam (cognate)

← English watch (suffix)

← English ful (suffix)

← Middle English waccheful (inherited)

← West Frisian waaks (cognate)

← Dutch waaks (cognate)

← Dutch waakzaam (mention)

← Swedish vaksam (cognate)

→ English watchfulness (suffix)

→ English watchfully (suffix)

→ English unwatchful (affix)

→ English ever-watchful (affix)

→ English everwatchful (affix)