Etymology tree Proto-Indo-European *sek-? Proto-Indo-European *-éyti Proto-Indo-European *skey-der.? Proto-Germanic *skipą Proto-West Germanic *skip Old English scip Middle English schip English ship Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Old French -mentbor. Middle English -ment English -ment English shipment From ship + -ment.