oblate (adj.) Look up oblate at Dictionary.com
"flattened on the ends," 1705, from Medieval Latin oblatus "flattened," from Latin ob "toward" (see ob-) + latus, abstracted from its opposite, prolatus "lengthened" (see oblate (n.)).
oblate (n.) Look up oblate at Dictionary.com
"person devoted to religious work," 1756, from Medieval Latin oblatus, noun use of Latin oblatus, variant past participle of offerre "to offer, to bring before," from ob- (see ob-) + latus "carried, borne" (used as suppletive past participle of ferre "to bear"), said by Watkins to be from *tlatos, from PIE root *tele- "to bear, carry" (see extol), but de Vaan says "No good etymology available."