Two words
May be 2 words combined (exser+anticus) If not obvious, probably incorrect
antic.us N 2 1 NOM S M
anticus, antici N (2nd) M [XXXCO]
men (pl.) of old, ancients, early authorities/writers; ancestors;
antic.us ADJ 1 1 NOM S M POS
anticus, antica, anticum ADJ [XXXES] uncommon
foremost, that is in front;
anticus, antica -um, anticior -or -us, anticissimus -a -um ADJ [XXXAO]
old, ancient; aged; time-honored; primeval; simple, classic, venerable; senior;
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Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.