1) Clue 2) Exclusively Anglo word 3) Exclusively Saxon word 4) Faintest idea 5) Glimmer 6) Glimmering 7) Hint 8) Idea or sense 9) Intimation 10) Least idea 11) Little clue 12) Minuscule tattoo 13) Notion 14) Slight hint 15) Suggestion 16) Vague notion 17) Word with Anglo-Saxon origins 18) Word of purely Anglo origin Found on https://www.crosswordclues.com/clue/inkling
In'kling noun A hint; an intimation. « The least inkling or glimpse of this island.» Bacon. « They had some inkling of secret messages.» Clarendon. Found on http://www.encyclo.co.uk/webster/I/62
a slight suggestion or indication; hint; intimation: They hadn't given us an inkling of what was going to happen. · a vague idea or notion; slight understanding: They didn't have an inkling of how the new invention worked. Found on https://www.infoplease.com/dictionary/inkling