_2nd sg./pl. poss. suff. your.Maybe the familiar form of this suff. See also the paradigm of poss. suff. in PE17:46. Later -gen_. >> -el, -gen
Sindarin
-eg
suffix. diminutive/singular ending
-eg
suffix. 2nd person singular familiar possessive suffix
-eg
suffix. your
-egir
suffix. 2nd person plural familiar possessive suffix
-el
suffix. your
-gen
suffix. your
_2nd sg. poss. suff. your.Maybe the familiar form of this suff. See also the paradigm of poss. suff. in PE17:46. Earlier -eg_. >> -eg
-i
suffix. adjectival suffix
-ig
suffix. diminutive/singular ending
-lein
suffix. your
_2nd sg. poss. suff. your.Maybe the polite form of this suff. See also the paradigm of poss. suff. in PE17:46. Earlier -el_. >> -el
@@@ variants may be the result of ancient -aikĭ > -aeg > -eg vs. -eikĭ > -īg > -ig as suggested by Lokyt, but also compare T. nettica vs S. netheg