English linchpin

← Old English lynis (derived)

← Welsh olwyn (cognate)

← German Lünse (cognate)

← Middle English lynspin (inherited)

← Middle English lins (mention)

← Middle English pin (mention)

← Proto-Germanic *lunaz (derived)

← Dutch luns (cognate)

← Sanskrit आणि (cognate)

← Old Armenian ողն (cognate)

→ Irish lispin (borrowed)