Enceinte for pregnancy comes from in-cincta, from in- prefix meaning not and cingere, to be bound. Referring, most likely to the wearing of loose clothes to either be comfortable or to veil the fact of the pregnancy.

enciente as a fortification means engirdled, from the verb incingere: to gird or surround closely.

Hree's one of those words that in effect has two opposing meanings.

Good catch, Dub-Dub

Ted the First


TEd