The story
- Old English · inherited fromonsendan“to send out, send forth, transmit, yield up, offer to”
- Middle English · inherited fromonsenden
- English todayonsend
From Middle English onsenden, from Old English onsendan (“to send out, send forth, transmit, yield up, offer to”), equivalent to on- + send.
Etymology from Wiktionary, CC BY-SA 4.0.