Meaning

noun a position in a grammatical linguistic construction in which a variety of alternative units are interchangeable

noun a small slit (as for inserting a coin or depositing mail)

noun a time assigned on a schedule or agenda

originFrom Middle English slot, from Middle Low German slot or Middle Dutch slot, ultimately from Proto-West Germanic *slot, from Proto-Germanic *slutą, related to the verb *sleutaną (“to lock”). Cognate with Dutch slot, German Schloss (“door-bolt”). The verb is probably from Middle Dutch sluten (“to close, to lock”) (Modern Dutch sluiten (“to close”)).

Etymology from Wiktionary, CC BY-SA 3.0