Origin: 1810–20; < L obtēctus (ptp. of obtegere, var. of obtigere to cover over), equiv. to ob-ob-+ teg(ere) to cover (see thatch, toga) + -tus ptp. suffix
ob·tect (ŏb-těkt') adj. Having the wings and appendages enclosed or covered by a secretion that forms a hard shell or horny case, as the pupae of most butterflies and moths.
[Latin obtēctus, past participle of obtegere, to cover over : ob-, over; see ob- + tegere, to cover; see (s)teg- in Indo-European roots.]