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-igar Suffix indicating action or doing.

From Latin agere "to do," "to drive." From Proto-Italic *ag-e/o- 'id.' From Proto-Indo-European *h2eǵ-e/o- 'id.' A thematic present.

Italic: Oscan acum "to act," Marrucinian agine "through the act"

Indo-European: Celtic: Old Irish aig "to drive," Old Welsh hegit "goes;" Germanic: Old Icelandic aka "to drive;" Hellenic: Ancient Greek ἄγ- (ág) "to drive;" Armenian: acem 'id.' Indo-Iranian: Sanskrit ájati "drives," Young Avestan azaiti 'id.;' Tocharian: A āk- "to lead," B āk- 'id.'