Middle English thicke

← Old English þicce (inherited)

← Middle Dutch dicke (cognate)

← Middle High German dick (cognate)

← Middle Low German dicke (cognate)

← Old Danish thyk (cognate)

→ English thick (inherited)

→ Middle English thickenen (affix)

→ Middle English thikken (affix)

→ Middle English thikkenes (affix)

→ Middle English thikly (affix)

→ Middle English thyckfolde (affix)