Esperanto sonĝo

← Catalan somni (cognate)

← Spanish sueño (cognate)

← French songe (borrowed)

← Italian sogno (cognate)

← Latin somnium (derived)

← Portuguese sonho (cognate)

→ Esperanto sonĝaĉo (affix)

→ Esperanto sonĝi (affix)

→ Esperanto premsonĝo (affix)

→ Esperanto sensonĝa (affix)