Middle Irish edit

Etymology edit

From Proto-Celtic *sextametos. By surface analysis, secht +‎ -mad.

Adjective edit

Middle Irish ordinal numbers
 <  6th 7th 8th  > 
    Cardinal : secht
    Ordinal : sechtmad

sechtmad

  1. seventh

Descendants edit

  • Irish: seachtú

Mutation edit

Middle Irish mutation
Radical Lenition Nasalization
sechtmad ṡechtmad unchanged
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.

Further reading edit