sustent.o V 1 1 PRES ACTIVE IND 1 S
sustento, sustentare, sustentavi, sustentatus V (1st) [XXXDX] lesser
endure, hold out;
sustent.o VPAR 2 1 DAT S M PERF PASSIVE PPL
sustent.o VPAR 2 1 DAT S N PERF PASSIVE PPL
sustent.o VPAR 2 1 ABL S M PERF PASSIVE PPL
sustent.o VPAR 2 1 ABL S N PERF PASSIVE PPL
sustineo, sustinere, sustinui, sustentus V (2nd) [XXXAX]
support; check; put off; put up with; sustain; hold back;

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.