Middle Dutch -ich

← Proto-Germanic *-īgaz (inherited)

← Proto-Germanic *-agaz (mention)

← Proto-Germanic *-ugaz (mention)

← Old Dutch -ig (inherited)

→ Dutch sommige (affix)

→ Dutch aamborstig (affix)

→ Dutch naarstig (mention)

→ Dutch gewillig (mention)

→ Dutch druistig (suffix)