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Irish ath-
← Proto-Celtic *ati- (inherited)
← Old Irish [[aith-]], [[ath-]] (inherited)

→ Irish atheagrú (affix)
→ Irish aithghearr (affix)
→ Irish achoimre (affix)
→ Irish athbhealach (affix)
→ Irish athghrafaic (affix)
→ Irish athghrafaíocht (affix)
→ Irish aiteacht (affix)
→ Irish athraon (affix)
→ Irish atarraing (affix)
→ Irish athshon (affix)
→ Irish athghin (affix)
→ Irish athghin (affix)
→ Irish atuirse (affix)
→ Irish ath-chomhcheangal (affix)
→ Irish athabláil (affix)
→ Irish athmhagadh (affix)
→ Irish athneartaigh (affix)
→ Irish athuair (affix)
→ Irish athobair (affix)
→ Irish athphós (affix)
→ Irish atheagar (affix)
→ Irish athléim (affix)
→ Irish athphreab (affix)
→ Irish athriar (affix)
→ Irish athaimsigh (affix)
→ Irish athallmhairigh (affix)
→ Irish athaithne (affix)
→ Irish athainmnigh (affix)
→ Irish aithreo (affix)
→ Irish athachtaigh (affix)
→ Irish athadhain (affix)
→ Irish athadhlaic (affix)
→ Irish athshondas (affix)
→ Irish athphlandáil (affix)
→ Irish athoscail (affix)
→ Irish athnasc (affix)
→ Irish athnuaigh (affix)
→ Irish athord (affix)
→ Irish athordaigh (affix)
→ Irish athonnmhairigh (affix)