tri PREFIX
three; (also used to represent many times, persistant, extreme, gross);
pertit.e ADJ 1 1 VOC S M POS
pertitus, pertita, pertitum ADJ [ESXDX] Later lesser
divided in X parts (only with numerical prefix), divisible by X, X-fold;
e SUFFIX
-ly; -ily; Converting ADJ to ADV
pertit.e ADV POS
pertitus, pertita, pertitum ADJ [ESXDX] Later lesser
divided in X parts (only with numerical prefix), divisible by X, X-fold;

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.