Submit

google

ref

late Middle English: from Latin submittere, from sub- ‘under’ + mittere ‘send, put’. submit (sense 3) ‘present for judgement’ dates from the mid 16th century.

wiktionary

ref

From Middle English submitten, borrowed from Latin submittere, infinitive of submittō(“place under, yield”), from sub(“under, from below, up”) + mitto(“to send”). Compare upsend.

etymonline

ref

submit (v.)

late 14c., "to place (oneself) under the control of another, to yield oneself," from Latin submittere "to yield, lower, let down, put under, reduce," from sub "under" (see sub-) + mittere "let go, send" (see mission). Transitive sense of "refer to another for consideration" first recorded 1550s. Related: Submitted; submitting.