Template:el-nN-μα-ματα-3b
The inflection-table template for Greek nouns declining like ιδίωμα (idíoma). Other examples may be found in the Category:Greek nouns declining like 'ιδίωμα'.
The syntax {{el-nN-μα-ματα-3b|ιδίω|ιδιώ|ιδιω}}
produces the table:
Declension of el-nN-μα-ματα-3b
A full list of other declension-table templates with a brief indication of use can be found at Wiktionary:Greek noun inflection-table templates.