Dictionary

sursitaire

/syʁ.si.tɛʁ/

adjective/syʁ.si.tɛʁ/

deferred (granted a delay in their call-up); in waiting, in abeyance

From sursis + -aire after militaire.

noun, masculine/feminine/syʁ.si.tɛʁ/plural: sursitaires

sursitaire is masculine or feminine depending on context in French.

deferred conscript

From sursis + -aire after militaire.