English yammer

← Old English ġeōmrian (derived)

← Old English ġeōmor (mention)

← German jammern (cognate)

← Middle Dutch jammeren (derived)

← Middle English yeoumeren (derived)

← Proto-Germanic *jēmaraz (derived)

← Proto-West Germanic (derived)

← Proto-Indo-European *yem- (derived)

→ English yammerer (suffix)

→ German Jammer (cognate)

→ German jammern (cognate)

→ Pennsylvania German yaemere (cognate)