The story
- Old French · derived fromenseeler
- Latin · derived frominsigilāre
- Proto-West Germanic · inherited from*insigilōn
- Old English · inherited frominseġlian“to place a seal on”
- Middle English · inherited fromenselen
- English todayenseal
From Middle English enselen, inselen, inseilen, from Old English inseġlian (“to place a seal on”), from Proto-West Germanic *insigilōn (compare Old High German insigilōn, insigilen, Old Norse innsigla (“to seal”)), from Latin insigilāre; merged with and reinforced by Old French enseeler, from the same Latin source. Equivalent to en- + seal.
Etymology from Wiktionary, CC BY-SA 4.0.