Danish tyk

← Proto-Germanic *þekuz (inherited)

← Old Norse þykkr (inherited)

← Old Norse þjukkr (mention)

← Old Norse þjokkr (mention)

→ English thick (cognate)

→ Old English þicce (cognate)

→ Danish tykhornsfår (compound)

→ Danish tyktarm (affix)

→ Danish tykmælk (affix)

→ German dick (cognate)

→ Luxembourgish déck (cognate)