inkless

Etymology tree
Proto-Indo-European *h₁én
Ancient Greek ἐν (en)
Ancient Greek ἐν- (en-)
Proto-Indo-European *keh₂w-?
Proto-Hellenic *káyyō
Ancient Greek καίω (kaíō)
Ancient Greek καυστός (kaustós)
Ancient Greek ἔγκαυστον (énkauston)bor.
Late Latin encaustumder.
Old French enquebor.
Middle English ynke
English ink
Proto-Indo-European *lewh₁-
Proto-Indo-European *lewHs-der.
Proto-Germanic *leusaną
Proto-Germanic *lausaz
Proto-Germanic *-lausaz
Proto-West Germanic *-laus
Old English -lēas
Middle English -les
English -less
English inkless
From ink + -less.