Where does “sussing” come from?

sussing (Norwegian Bokmål) comes from Norwegian Bokmål susse, from English suss, from English suspect, from Middle French suspect, from Old French suspect, from Latin suspectus, from Latin suspiciō, from Latin suspicere — to see, to look, to observe.

sussing (Norwegian Bokmål): The act or an instance of giving someone a light kiss; light kissing

Definitions

  1. The act or an instance of giving someone a light kiss; light kissing

Ancestry of “sussing”, step by step

StepLanguageWordMeaning
1Norwegian BokmålsusseTo give someone a light or quick kiss; to kiss lightly
2EnglishsussAlternative form of soss; Suspicious behaviour;...
3EnglishsuspectTo imagine or suppose to be true, or to exist,...
4Middle Frenchsuspect
5Old Frenchsuspect
6Latinsuspectusmistrusted, suspected, having been suspected;...
7Latinsuspiciōto look up at or to
8Latinsuspiceresecond-person singular present active subjunctive...
9Latinspecerepresent active infinitive of speciō;...
10LatinspecioI observe, watch, look at
11Proto-Italicspekjōto observe, to see
12Proto-Indo-Europeanspéḱyetito be looking at, to keep looking at
13Proto-Indo-Europeanspeḱ-to see, to look, to observe
Every word from Proto-Indo-European speḱ-