Schnapps

google

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from German Schnaps, literally ‘dram of liquor’, from Low German and Dutch snaps ‘mouthful’.

wiktionary

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Borrowed from German Schnaps.

etymonline

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schnapps (n.)

1818, kind of Holland gin, from German Schnaps, literally "a mouthful, gulp," from Low German snaps, from snappen "to snap" (see snap (v.)). For sense, compare nip for "alcoholic drink quickly taken."