thombe

Etymology 1
, from, from.

As shown by their early attestation, spellings with final -b- are not mere hypercorrect forms, but rather represent pronunciations with ; such pronunciations presumably originated in a plural  (from ). Such a plural form is also presumably the origin of variants with a short vowel.

Noun

 * 1)  thumb
 * 2) thumb-length
 * 3)  big toe